%0 Journal Article
%A N. H. Ibragimov
%T Lie–Bäcklund groups and conservation laws
%J Doklady Akademii Nauk
%D 1976
%P 26-29
%V 230
%N 1
%U http://geodesic.mathdoc.fr/item/DAN_1976_230_1_a4/
%G ru
%F DAN_1976_230_1_a4