104 O* I. Broch 



ra cî «. . r u'x' + vy+wz "li 

 @=:S j m f (r) Le — IJc ~ 



~sjin'f,(r)J5 



^. = S jf d,f (r) [e^'^' + ''+ Ü1 -(a'x'+vy+wz)- 

 (u'x' + vy -}- wz)^' 



2 



1- 



(308) 



-sj^d,f,(r)^°"^"+;y+"')i; 



@, = S m'f,(r)e ^ ^ j 



_ (m' , r u''x''-|- vy-|-wz . . t I 



^, = S -drf,W[e '^-l-Cu-'x-'+vy+wz)] [i 



,® = S jm f, (r) e°''' + '"^ + '''j j 



®„=sjm'f.(r)[e""^" + ^+ri]j- 

 -SJmf,(r)j; 



(u/^x''-}- vy + wz)^l | 



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