%0 Journal Article
%A Kh. O. Kil'p
%T The differential-geometric structure of a~hyperbolic system of first-order nonlinear equations with two independent variables
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1990
%P 22-31
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1990_9_a2/
%G ru
%F IVM_1990_9_a2