%0 Journal Article %A A. V. Bitsadze %T On the theory of first order quasilinear ordinary differential equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1971 %P 95-104 %V 112 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1971_112_a6/ %G ru %F TM_1971_112_a6