Jackson — Jacobson. 



575 



Genauigk. d. Annäherg. stet. Funktionen durch 

 ganze rat. Funkt, gegeb. Grades & trigonom. 

 Summen gegeb. Ordng., 9-4 8., Göttingen 1911 

 (Diss.). 



Amer. Math. Soc. Bull.: An elementary 

 boundary value problem, 5 S. (22, 1915/16). — 

 Note on the parametric representat. of an 

 arbitrary contin. curve, 6 S. (24, 17/18). — 

 Note on a method of proof in the theory of 

 Fourier's series, 3 S. — Note on the median 

 of a set of numbers, 5 S. — The general theory 

 of approximat. by polynomials & trigonometric 

 sums, 17 S. (27, 20/21). — An irregulär expans. 

 probl., 5 S. (28, 22). 



Amer. Math. Soc. Trans.: Resolut, into 

 involutory Substituts, of the transformat. of 

 non-singular bilinear form into itself, 6 S. 

 (10, 1909). — The degree of converg. of the 

 developmt. of a contin. funct. accord. to 

 Legendre's polynomials, 14 S. — Approximat. 

 by trigonom. sums & polynomials, 25S. (13, 12). 

 — Approximate representat. of an indefinite 

 integral, 22 S. (14, 13). — The degree of con- 

 verg. of Sturm-Liouville series, 28 S. (15, 14). — 

 Proof of a theorem of Haskins, 3 S. — Algebr. 

 propts. of self-adjoint systs., 7 S. (17, 16). — 

 Order of magnitude of the coeff ic. in trigonom. 

 interpolat., 12 S. (21, 20). — Functs. of closed 

 approximat., 12 S. — Converg. of cert. trigo- 

 nom. & polynom. approximats., 9 S. — A 

 class of polynom. of approximat., 7 S. (22, 21). 



Ann. ot Math. Harvard Coli.: Non-essential 

 singularities of functs. of several complex 

 variables, 8 S. (17, 1915/16). — Representats. 

 of the partial sum of a Fourier's series, 8 S. 

 (18, 16/17). — Roots & singul. points of semi- 

 analytic functs., 10 S. (19, 17/18). — On the 

 Ricard method of successive approximats., 3 S. 

 (23, 22). 



Boston, Amer. Acad. Proc: Expans. probls. 

 with irreg. boundary condits., 35 S. (51, 1916). 



Journ. f. d. reine <fc angew. Math.: Note on 

 rational functs. of several complex variabl., 

 4 S. (146, 1916). 



Palermo, Cire. matem. Rend.: Eine trigo- 

 nometr. Summe, 6 S. (32, 1911). — A formula 

 of trigonom. interpolat., 5S. (37, 14). — Trigo- 

 nom. interpolat., 3 S. (39, 15). 



Jackson, F. H.; Prof., Math., Univ. 

 Coli., London. 



Amer. Journ. ol Math.: Propts. ofageneralized 

 hypergeom. funct., 6 S. (27, 1905). — q-Diffe- 

 rence equats., 10 S. (32, 10). — Wallace's 

 theorem concem. plane polygons of the same 

 area, 8 S. (34, 12). 



Edinburgh, Math. Soc. Proc: Generalized 

 forms of the series of Bessel & Legendre, 8 S. 

 (21, 1903). — A basicsine & cosine with symbol. 

 soluts. of cert. diff. equats., 12 S. (22, 04). 



Edinburgh, Hoy. Soc. Proc: The series — y 



= l+F ([a][/3][y]). p[Jj + F ([a][ß][y]). F 



[oi][ß][y + 1])^Y, + • • • & its differ. equat., 



9 S. (24, 1901—03). — Complete solut. of the 

 differ. equat. of J(n), 4 S. (25, 03—05). — 

 Borel's integral & q-series, 8 S. (30, 09—10). 

 — Generalised functs. of Legendre & Bessel, 

 28 S. — Cert. fundam. power series, 10 S. — 

 Generalisat. of the Bessel-funct., 14 & 10 S. 

 (41, 03 — 04). — On q-funots. & a cert. diff. 

 Operator, 30 S. (46, 08—09). 



London, Math. Soc. Proc: Extens. of Vander- 

 monde's theorem, 4 S. (26, 1895). — Extens. of 

 the theorem 



F{aL,ß,y) = 



n(y—oL—ß — \). n(y — \) 



n[y—oi — \).n(y—ß — l)* 



12 S. (28, 97). — Series connected with the 

 enumerat. of partits., 26 S. — Forms of Maclau- 

 rin's theorem, 5 S. — Generalizat. of Neu- 

 mann's expans. of an arbitrary funct. in a series 

 of Bessel's functs., 6 S. (1, 1904). — Applicat. 

 of basic numbers to Bessel's & Legendre's 

 functs., 49 S. (2 & 3, 05). — Expanss. of functs. 

 in series of basic Bessel coeff., 3 S. (3, 05). 



London, Roy. Soc. Proc: A generalisat of the 

 functs. r{n) & xn, 9 S. (74, 1904). — The 

 basic gamma-funct. & the elliptic functs., 18 S. 

 (76, 05). 



Messenger of Math.: The converg. of the 



series y* 7 — ä— „-- ; jt— , 2 S. (41, 



1912). — • The series for sine & cosine, 9 S. 

 (43, 14). — Summat. of q-hypergeometric 

 series, 12 S. (50, 20). 



Palermo, Clrc. matem. Rend.: A q-generali- 

 zat. of Abel's series, 7 S. (29, 1910). 



Quart. Journ. of pure & appl. Math.: q-defi- 

 nite integrals, 10 S. (41, 1910). 



Jackson, W. H.; Prof., Math., Coli., 

 Haverford, Pa., U.S.A. 



Elementary solid geometry includg. the men- 

 surat. of the simpler solids, 172 S., London 

 1907. — Investigat. of title (m. T. Gösset), 

 3. Aufl., London 07. 



Amer. Math. Soc. Bull.: Solut. of an integral 

 equat. occurring in the theory of radiat., 2 S. 

 (16, 1910). 



Ann. of Math. Harvard Coli.: The integral 

 roots of cert. inequalities, 13 S. — The theory of 

 shadow rails, 12 S. — Periodic decimal fracts., 

 3 S. (11, 1909/10). 



London, Math. Soc. Proc: The diffract. of 

 light produced by an opaque prism of finite 

 angle, 22 S. (1, 1904). 



Phil. Mag.: On a paper by W. Makower 

 entitled ,,The method of transmiss. of the 

 excited activity of Ra to the cathode", 6 S, 

 (10, 1905). 



iv Jacobson, Paul Heinrich, Dr. 

 phil. 1882 Berlin; stud. 77-82 Berlin & 

 Heidelberg; 96—1911 Generalsekr., Deut. 

 Chem. Ges., 11-18 Wiss. Leiter d. Abtlg. 

 f. chem. Sammelliterat., Deut. Chem. 

 Ges., seit 18 beratend. Redakt. v. Beil- 

 steins Handb. d. org. Chem., seit 21 a. o. 

 Prof., Chem., Univ., Berlin; * 1859. 

 (Eig. Mitt.) t 1923, März, Berlin. 



1896—1911 Hrsg. d. Berichte d. Deut. Chem. 

 Ges. 



Beilstein: Handb., org. Chem. (m. B. Prager), 

 Bd. 1, 933 S.— 2., 920 S. — 3., 938 S. — 4., 

 734 S., Berlin 1918, 20, 21 & 22. — Ergänzgs- 

 bände z. Beilstein: Handb. d. org. Chem., I., 

 860 S., Hamburg Ol. — IL, 125 S.. Hambg. 03. 

 — III., 718 S., Hambg. 04. — IV., 1218 S., 

 Hambg. 06. — V.. 477 S., Hambg. 06. — 

 Lehrb. d. org. Chem., 1. Bd. 1. Tl. (m. R. 

 Stelzner), 1060 S., Leipzig 07. — 2. Tl. (m. R. 

 Stelzner), 1522 S., Leipzig 13. — II. Bd. 1. Tl. 

 (m. C. Harries), 1076 S., Leipzig 02. — 2. Tl. 

 (m. A. Reissert), 664 S., Leipzig 03. — 3. Tl., 

 1634 S., Berlin 20. 



Ann. d. Chemie: Heblg: Verändergn. v. 

 Azokörpern durch HCl in alkohol. Lösg., 28 S. 



