%0 Journal Article %A E. A. Kalita %T Behavior of solutions of quasilinear elliptic systems at a nonregular boundary point %J Differencialʹnye uravneniâ %D 1991 %P 826-836 %V 27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_5_a12/ %G ru %F DE_1991_27_5_a12