%0 Journal Article %A T. B. Solomyak %T Boundary value problems for a~class of quasi-linear equations and systems of elliptic type %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1959 %P 184-196 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1959_5_a19/ %G ru %F IVM_1959_5_a19