%0 Journal Article %A V. A. Tabueva %T A qualitative investigation of a certain differential equation of the second order in control theory. II %J Differencialʹnye uravneniâ %D 1967 %P 1415-1426 %V 3 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_9_a0/ %G ru %F DE_1967_3_9_a0