%0 Journal Article
%A S. Ya. Startsev
%T Structure of set of symmetries for  hyperbolic systems of  Liouville type and generalized Laplace invariants
%J Ufa mathematical journal
%D 2018
%P 103-110
%V 10
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UFA_2018_10_4_a9/
%G en
%F UFA_2018_10_4_a9