%0 Journal Article %A V. D. Didenko %A N. Ya. Tikhonenko %T Approximate solution of the matrix Riemann problem %J Differencialʹnye uravneniâ %D 1981 %P 2086-2089 %V 17 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_11_a16/ %G ru %F DE_1981_17_11_a16