%0 Journal Article %A A. V. Bitsadze %T On exact solutions of a class of systems of quasilinear partial differential equations %J Doklady Akademii Nauk %D 1981 %P 780-783 %V 257 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_257_4_a1/ %G ru %F DAN_1981_257_4_a1