%0 Journal Article %A V. A. Tupchiev %T Problem of the decay of a discontinuity for a system of quasilinear equations without convexity conditions %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1966 %P 527-547 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_3_a10/ %G ru %F ZVMMF_1966_6_3_a10