%0 Journal Article
%A E. V. Ferapontov
%T Systems of three differential equations of hydrodynamic type with hexagonal 3-web of characteristics on the solutions
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1989
%P 79-80
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a17/
%G ru
%F FAA_1989_23_2_a17