%0 Journal Article %A M. M. Khapaev %T A stability analysis of resonance problems %J Differencialʹnye uravneniâ %D 1974 %P 447-457 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_3_a6/ %G ru %F DE_1974_10_3_a6