%0 Journal Article %A S. A. Lomov %T Approximate solution of certain equations with parameters %J Differencialʹnye uravneniâ %D 1969 %P 1193-1206 %V 5 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_7_a4/ %G ru %F DE_1969_5_7_a4