%0 Journal Article %A I. V. Suveyka %T The Cauchy problem for a certain nonstationary equation %J Differencialʹnye uravneniâ %D 1973 %P 1339-1346 %V 9 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_7_a19/ %G ru %F DE_1973_9_7_a19