%0 Journal Article %A È. I. Grudo %T A remark on the theory of the Riccati equation %J Differencialʹnye uravneniâ %D 1966 %P 714-715 %V 2 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_5_a14/ %G ru %F DE_1966_2_5_a14