%0 Journal Article
%A E. A. Sozontova
%T On solvability by quadratures conditions for second order hyperbolic systems
%J Ufa mathematical journal
%D 2016
%P 130-135
%V 8
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UFA_2016_8_3_a11/
%G en
%F UFA_2016_8_3_a11