%0 Journal Article %A Ya. Fodor %T A sufficiency criterion for $L^p$-stability in the first approximation %J Differencialʹnye uravneniâ %D 1978 %P 750-752 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_4_a24/ %G ru %F DE_1978_14_4_a24