%0 Journal Article %A M. M. Sirazhudinov %T $G$-compactness of a class of first-order elliptic systems %J Differencialʹnye uravneniâ %D 1990 %P 298-305 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_2_a14/ %G ru %F DE_1990_26_2_a14