%0 Journal Article %A A. I. Panasyuk %T Properties of solutions of generalized differential equations of approximation type in $\mathbf R^n$ %J Differencialʹnye uravneniâ %D 1991 %P 2065-2077 %V 27 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_12_a6/ %G ru %F DE_1991_27_12_a6