46 



f.(i) =-4 



r-„ da"! 



.p[<(r,x„).r,^J 



[89] 



i\^(i) = t.xF^(i) 



[90] 



Doublet 



\(i)=-inp\{k- \7)q. 



rJi) = -4 ;tp 



dt 



[91'] 



[92] 



M/t; = r. X F^Cij +4,7p(q5xA). 



[93'] 



