( »35^* 
Ubi ( poGtis 2 c + n=:r, c + n=s) A = 
e 4sxA-|-e — m f 
m + n 
C=: 
m — 2e4-rx bA+m— exc+i+r^ e+i x f B+2 eb — mb 
— —i— »»■ I ■ ' ' i s.' ■^.■^3a^ 
ma )i 3 c+i+naxje+x 
^ xrv-^a(5x2c-|-ir|-rM2e4-i^bC-^m--cx3^c^ i x f D 
max 5tC-i*i +na x 5e-|"J^ 
