%0 Journal Article
%A A. R. Its
%A V. V. Sukhanov
%T The matrix Riemann problem on a system of rays and inverse
%J Doklady Akademii Nauk
%D 1985
%P 534-538
%V 283
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_283_3_a3/
%G ru
%F DAN_1985_283_3_a3