%0 Journal Article %A V. N. Brezhnev %A V. Ya. Ivanov %T Numerical algorithms for the solution of the synthesis problem of an electron-optical system %J Matematičeskie trudy %D 1989 %P 187-203 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1989_15_a6/ %G ru %F MT_1989_15_a6