%0 Journal Article %A È. V. Vdovina %T A second inverse problem of the qualitative theory of differential equations %J Differencialʹnye uravneniâ %D 1978 %P 1760-1764 %V 14 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_10_a3/ %G ru %F DE_1978_14_10_a3