%0 Journal Article %A L. N. Lyapin %T The Uryson equation with a discontinuous operator %J Differencialʹnye uravneniâ %D 1986 %P 509-518 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_3_a19/ %G ru %F DE_1986_22_3_a19