175 



4440 



Richmond, Herbert William. On 

 automorpliic functions and the general 

 theory of algebraic curves. Cambridge, 

 Proc. Phil. Soc, 12. 1903, (78-81). 



4450 OTHER FUNCTIONS WHICH 

 MAY BE DEFINED BY LINEAR 

 DIFFERENTIAL EQUATIONS. 



Daxwin, George Howard. On the 

 integrals of the squares of ellipsoidal 

 surface harmonic functions. London, 

 Phil. Trans. R. Soc, (Ser. A), 203, 1904, 

 (111-137); [abstract] London, Proc. R. 

 Soc, 72, 1903, (492). 



Nielsen, Niels. Equations difEeren- 

 tielles lineaires obtenues pour le produit 

 de deux fonctions cylindriques. Nouv. 

 ann. math., Paris, (ser. 4), 2, 1902, 

 (396^410). 



WMttaker, Edmund Taylor. On the 

 functions associated with the parabolic 

 cylinder in harmonic analysis. London, 

 Proc. Math. Soc, 35, 1903, (417-427). 



4460 OTHER FUNCTIONS W^HICH 

 MAY BE DEFINED BY FUNC- 

 TIONAL EQUATIONS. 



Krause, Martin. Ueber Bemoidli'sche 

 Zahlen und Funktionen im Cebiete 

 der Funktionen zweier veranderlichen 

 Grossen. Leipzig, Ber. Ges. Wiss., 

 math. phys. Kl., 55, 1903, (39-62). 



Lercli, M[atthias]. Zur Theorie der 

 Gauss'schen Summen. Math. Ann., 

 Leipzig, 57, 1903, (554-567). 



Petrini, Henrik. Ueber Functionen 

 die ein algebraisches Additionstheorem 

 besitzen. Stockholm, Vet.-Ak. Ofvers., 

 58, 1901, (297-305). 



Plemelj, J[osef]. Zur Theorie der 

 Fredhohn'schen Funktionalgleichung. 

 MonHfte. Math. Phys., Wien, 15, 1904, 

 (93-128). 



Differential Equations. 

 4800 GENERAL. 



Bnrkliardt, H[einrich]. Uber Differen- 

 tialgleichungen. MonHfte Math. Phys., 

 Wien, 12, 1901, (290-298). 



4810 



Curtiss, D. R. On the invariants of 

 a homogeneous quadratic differential 

 equation of the second order. Amer. J. 

 Math., Baltimore, Md., 25, 1903, (365- 

 382). 



Kantor, S. Ueber bidifferentiale 

 Transformationen. Arch. Math., Leip- 

 zig, (3. Reihe), 6, 1903, (202-206). 



Le Boux, J. Sur les fonctions qui 

 dependent d'une infinite de constantes 

 arbitraires. Travaux scientifiques de- 

 rUniversite de Rennes, 1, 1902, (237- 

 250). 



Lie, Sophus. Ueber Integralinvarian- 

 ten und DifFerentialgleichungen. Kris- 

 tiania, Skr. Vid. selsk., 1, 1, 1902, 1902, 



(73). 



Liebmann, Heinrich. Lehrbuch der 



Differentialgleichungen. Leipzig (Veit 



& Comp.), 1901, (VI -f 226). 23 cm. 

 6M. 



Maclagan-Wedderbum, J. H. On 



the applications of quaternions in the 

 theory of differential equations. Edin- 

 burgh, Trans. R. Soc, 40, 1903, (709- 



721). 



Maillet, E. Sur les equations differen- 

 tielles et la theorie des ensembles. 

 Paris, Bui. soc. math., 30, 1902, (195- 

 201). 



Ross, F. E. On differential equations- 

 belonging to a ternary linearoid group. 

 Amer. J. Math., Baltimore, Md., 25,. 

 1903, (179-205). 



SchefiFers, G[eorg]. Ueber Integra- 

 tionstheorien von Sophus Lie. Vorl. 

 Bericht. Jahresber. D. MathVer., Leip- 

 zig, 12, 1903, (525-539). 



ScMotke, J. Lehrbuch der Differen- 

 tial- und Integralrechnung. L'resden 

 (G. Kiihtmann), 1903, (VI -f- 256). 

 24 cm. 7,80 M. 



4810 EXISTENCE - THEOREMS 

 FOR ORDINARY AND PARTIAL 

 DIFFERENTIAL EQUATIONS. 



Ermakov,, Vasilij Petrovic. Points 

 critiques dans les integrales des equa- 

 tions differentielles. (Russe.) Kiev,. 

 Otc. prot. fiz.-mat. Ob§c., 1901, [1902], 

 (37-62). 



