54 SULLO SVILUPPO DELLA FUNZIONE PERTURBATRICE 



-4rp'\8p'~é2p'-\-65p—27)D(0,0)—p"{ip^—13p-h9)D(l,0) \ 



1 



-h{+p'\ip—Q)D{2,0)—^{8p''—42p'+65p—27)D(0,2) \ e'e" 



1^- 2i3"^i3(3,0)+|- iip'-13p+d)D{l,2)-{2p-3)B(,2,2)-hI){3,2) 



' ~ (16p"+152/)''-|-49!1//='+64Gyy+256)Z)(0,0) 



^^P'~^'^'^—\-i-^{Sp"+5ip"+n0p'-\-Gi)D{0,l)+^{4p"-\-17p'-hlG)D(0,2) ( ^ 

 l+2(p'+2}Z)(0,3)+Z)(0,4) J 



4^ (16j3'*— 152p"-H99p''— 646p'+256)£)(0,0) \ 



^^^'~^'^^^\ — ^{8p"—54p"+nOp'—64)D{0,l)+J{■lp"—^7p'+lQ)D(p,2)i'^" 



, — 2(i3'-2)Z)(0,3)+i)(0,4) 



~ ( 2p+l) (8/)''H-42//»+65/y+27)Z)(0,0) 



l + i(2p+l)(4p'^+13p'+9)A0,l) + 7(8/J'"-H2/V^+65/J'+27)D(l,0) 

 i?'(p'+3,75+l)=.; ~ )ee" 



+ (2_p+l) (2p'+3)D(0,2)+ |- (4i9'»+13/j'+9)Z)(l,l) 



4-(2/)+l)D(0,3)+(2p'+3)D(l,2)+£)(l,3) 



- |- (2P-1) {Sp"-+42p"--hG5p'+27)D (0,0) 



- 4 (2p-l) (4i)"+13p'+9)D(0,l) +i (8p"+42p"+65/y+27)Z)(l,0) 



- (2/)-l) (2p'+3)i)(0,2)+ i (4/)-+13y>'+9)i)(l,l) 



; - (2/)-l )Z)(0,3)+(2/y+3)ZJ(l ,2)+i)(] ,3) 



