%0 Journal Article %A I. G. Zakharova %A Yu. N. Karamzin %A V. A. Trofimov %T A difference method for solving a problem on the steady-state propagation of a light beam in a chemically active gas medium %J Differencialʹnye uravneniâ %D 1988 %P 1192-1196 %V 24 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_7_a11/ %G ru %F DE_1988_24_7_a11