%0 Journal Article %A A. I. Koshelev %T On the continuity of solutions of quasi-linear elliptic systems of second order %J Doklady Akademii Nauk %D 1977 %P 766-769 %V 232 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_4_a8/ %G ru %F DAN_1977_232_4_a8