FORMA BINARIA DKL SEST'ORDINK 337 



Spinte dì iì sulle forme di /. 



^p,^y = -y^ + '-Bl, (^>,A)^ = -||3, 

 .['p^y = \{Jcm-Bp) + ys, .{p,^) = -l{Br,-\-ky.)\ 

 :{p,py = -\c+'^^AB, .{p,py = l^Bk-^^AA+l^l\ 



(p, >) = \ Pm + ll{Bd - Ck) -Im {A C^ + Bk) , 

 {p.lj)' = \B{Ba-2A^A-\-B'i-llu., 



- ^ A / (2 C-\-\aB) + \n{A^ +Bk) , 



ÌP,iy = lc{Ba-2Ar,)^cy-ln. 



{p,A)=lBr-m-^^lmn+^^km{^AC+^^B''^ 



+ li^m(2C + lAB)+yi{Ck-Bà), 



{p,..y = l., {p,ay = ^^k{^AB-'^C) + lBA-lìm, 

 {p,a) = -^^Bfl-\pm + ^^k{Aà+Bk), 



1 



(2),fi)* = -^.a. , 



{p,^y--=l{^B^-Uc)k.-'^Bk^-{cS+ijn + yn\ 

 {p,^) = -^^Bfm+\kìm-lpn + lk(Bà-Ck), 



