%0 Journal Article %A V. N. Abrashin %A A. A. Afanas'ev %A V. V. Drits %T Difference methods in problems of light-induced diffraction in nonlinear media %J Differencialʹnye uravneniâ %D 1984 %P 1107-1118 %V 20 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_7_a0/ %G ru %F DE_1984_20_7_a0