%0 Journal Article %A E. V. Shilnikov %T A method for numerical integration of the Helmholtz equation with nonlocal nonlinearity %J Differencialʹnye uravneniâ %D 1986 %P 1237-1246 %V 22 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_7_a16/ %G ru %F DE_1986_22_7_a16