%0 Journal Article %A È. G. Poznyak %T Geometric interpretation of regular solutions of the equation $z_{xy}=\sin z$ %J Differencialʹnye uravneniâ %D 1979 %P 1332-1336 %V 15 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_7_a17/ %G ru %F DE_1979_15_7_a17