%0 Journal Article
%A A. M. Nakhushev
%T A multidimensional analogue of the problem of Darboux for hyperbolic equations
%J Doklady Akademii Nauk
%D 1970
%P 31-34
%V 194
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a6/
%G ru
%F DAN_1970_194_1_a6