58 SULLO SVILUPPO DELLA FUNZIONE PERTURBATRICE 



_ i^(-2p— l)(16p"+153p"+499p"+646p'+256)Z)(0,0) 



— ^ ^2p-l)(4j5"-|-27p"+55/)'-H32)Z)(0,l) 



4-^(l6p"4-152p"-M99p"+646i9'+256)iD(l,0) 



F(p'-f4,j5— 1)=^ 



]ee" 



48 



- i (2j5-l)(4p"+17p'+16)Z)(0,2)+ i(4/)'=4-27p"+55p+32)Z)(l,l) 



- (2i9-l) CP'+2)D(0,3)+i(4i>"+17p'+16jZ)(l ,2) 

 - 1 (2p-l)Z>(0,4)+Cp'+2)i)(l,3)+ |Z)(1,4) 



^ (2p+l) (16p"— 152p"-l-499p"— 646p'+256)J[)(0,0) 



•lo 



-| (2P-1-1) (4p"-2Tp"+55/y-32)Z)(0,l) 



.^(•^6//'*— 152p"-l-499p'»— 646p'+256)I>(l,0) 

 F(p'-4,p+l)=<( )^e'* 



+ i (2p+l)(4p"-17p'+16)Z)(0,2)- g (4p"-2/p"-|-ó5p-32)Z>(l,l) 



- (2p+l)(i>'-2)I>(0,3)+i (4p"-17p'+16)i>(l,2) 

 + 1 {2p+l)Z)(0,4)-Cp'-2ji3(l,3)+l Z>(1,4) 



- ^ (2p— 1) (16p'-— 152p'»-}-499/3"— 646p'+256)Z>(0,0) 

 + i (2p>-l) (4/y'-27/y'-|-55//-32)Z)(0,l) 



~(16p'*— 152p''-|-499/)'*— 646p'+256)D(l,0) 

 (— ^ (2P— 1) (4//'»— 17p'+16)D(0,2)— |-(4p"— 27p''-|-55i5'— 32)D(1,1) 

 -H (2p-l) (p'-2)D(0,3)+\ (4p"-17p'+16)Z)(l,2) 

 - 1 (2p-l )Z)(0,4)-CP'-2)Z)(1,3) +i Z)(l ,4) 



