equation icon  r + Q(r + p) = 0, (253) c2 \~/ + (r + p)A = 0, (254) s m m r + 4Qr + \~/ mqE = 0, (255) E 3 E m E E 1 4 n E (r + p) qm + 4Hq m + -- \~/ mrE + -rE Am + \~/ pmn = - ------- \~/ mr. (256) 3 3 c