%0 Journal Article %A M. M. Karchevskii %A A. D. Lyashko %T Difference schemes for quasilinear elliptic equations with discontinuous coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1974 %P 128-137 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1974_5_a15/ %G ru %F IVM_1974_5_a15