,g2gf3 



60 SULLO SVILUPPO DELLA FUNZIONE PERTURBATRICE 



I ~M (4/>'— 9p+4) (8p"— 42/3"'+65/3'— 27)£»(0,0) 

 -^ (4/j'-9/3+4) {ip «_13/)'+9)D(0,l) 

 -l(.p-l)(8p"-42p"+Q5p'-27)D{l,0) 

 F{p'-3,p-2)=[ - i (4p'-dp+4) (2p'-3)D(0,2)- i (/J-1) (4/)''-13/)'+9)Z)(l,l) 

 I ~ è (8p'^-42/)'^+65/)'-27)i)(2,0)+ ^ (4/>=-9/)+4)Z)(0,3) 

 + ( p-l) (2iy-3)iJ(l ,2)4- i (4/)'^-l 3/y+9)i)(2,l) 

 ^ - (i3-l)D(l,3) - i (2i>'-3)D(2,2)+^Z> (2,3) 



— (4/)"+9p'+4) (8/)^+42/)=+65/)+27)Z) (0,0) 

 4 (4/3'^+9//+4) (4/)=+13/J+9)Z)(l ,0) 

 1+^ (/>'+!) (8p»+42p'+65i)-|-27)£)(0,l) 

 F(p'+2,i)4-3)=/+^(4p'^+9p'+4) (2p+3) Z) (2,0) 4-J- (P'+l) (4/)'+13p-|-9)D(l,l) J e'e'' 

 ■ ^ (8p'+ 42p'+6D/)+27) D (0,2)+^ (4/y'+9/)'-f4)Z>(3,0) 

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

 ^+(/)'+l)D(3,l) + i(2/)+3)i)(2,2)+ix>(3,2) 



/—■ ^ (4/)'^+9p'+4) (8/)^-42/r+65/)-27)Z>(0,0) 

 + ^ (4p'^+9/3'+4) (4p^-13p+9)/)(l,0) 

 — -g-(/)'+l)(8iJ^-42/)=+65/)-27)Z)(0,l) 

 ^(P'+2,i3-3)=-^(4/V'+9/)'-H)(2/J-3)Z)(2,0)+-|-(p'+l)(4/)'-13/)+9)Z)(l,l) ^eV' 

 |- ^ {8p'-i2p'+G5p-27)D (0,2) + ^ (4p'»+9p'+4)Z)(3,0) 

 -(7^'+l)(?/'-3)Z>(2,l) + ^(4/)^-13/)+9)Z)(l,2) 

 - (/)'+!)!) (3,1)- -|- (2p-3)Z)(2,2) + ÌZ»(3,2) 



