%0 Journal Article %A A. V. Kregzhde %T On difference schemes for a nonlinear Sturm--Liouville problem %J Differencialʹnye uravneniâ %D 1981 %P 1280-1284 %V 17 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_7_a12/ %G ru %F DE_1981_17_7_a12