%0 Journal Article %A S. I. Gaiduk %T A letter to the editors: Corrections %J Differencialʹnye uravneniâ %D 1967 %P 167 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_1_a16/ %G ru %F DE_1967_3_1_a16