è^4 E. d'ovIdìo 



{h ,Tc\=^ {h le) h^JcJJ^y - ^ ( A, JcY {Ty) = {h /.) hJkr%-{- 1-, (/^ m^y)^ 



{h, k)^, = {hk) K'Kly- 1 [h,Wy{xij) - ^ {ii,ky{:xyY 



= {hk)hJJcJh^Jc,-l{h,Jc)\{xy)-{-l{h,ky{xyy 

 = {h k) hj kj h/ + 1 {h, k)\ (xy)-^^ {h , kY {X yY , 



{h, k),, -- {h k) W- T5 (^- ^^)"A^y) - 1 {hkf,{xyY-l{li, kY {xyY 



= ihk)K%%'+ ^ {h,kY,,{xy)-\ {h,kYy{xyY+ i {h,kY{xyY=. 



{h, k)^, ^ (hk) K%kY- 1 {h, kYy, (xy) - 1 {hJ,YAxyY- A {h,kYy{xyY 



= {ì,k)hJkYhY+l {h, kYy, {xy) - 1 (/., k)%, {xyY + ^ {hJc)\{xyY, 



{h, k)^, = {h k) hj v V - 1 (/' • Wy^i^y) - 1 (1^. Wy^ {^yf 



—^{h,iYyA^yY=-'^ 



Ordini 10, 4. 

 Ordini 12, 4. 



Ordini 6, 6. 



{f,f)\ = {ahYa^hy-\{f,fY{^y)\ 



{f, fYy = {abY aj K h-y^ f'Y i^y) , 



(Art V= {abY «.* V- (/■' f'Yr i^y) -5 (/"' Z"')^ (^^)^ 



= {ahYo^b,a,h^ + l{fJ')'{xyY\ 

 (/•, /■')', = (a bY aj bj ?>, - 1 (/•, Z-')^ (a; i/) , 



