%0 Journal Article %A Yu. T. Antokhin %T Certain problems in the analytic theory of equations of the first kind %J Differencialʹnye uravneniâ %D 1966 %P 226-240 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_2_a6/ %G ru %F DE_1966_2_2_a6