%0 Journal Article %A A. A. Samarskii %A I. V. Fryazinov %T On the convergence of difference schemes for a heat-conduction equation with discontinuous coefficients %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1961 %P 806-824 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1961_1_5_a5/ %G ru %F ZVMMF_1961_1_5_a5