%0 Journal Article %A I. N. Lanin %T The Cauchy problem for a certain class of fourth order equations %J Differencialʹnye uravneniâ %D 1973 %P 183-185 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_1_a25/ %G ru %F DE_1973_9_1_a25