%0 Journal Article
%A W. I. Fushchych
%A V. A. Vladimirov
%T On the additional invariance of the equations of motion for vector fields
%J Doklady Akademii Nauk
%D 1981
%P 1105-1109
%V 257
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1981_257_5_a20/
%G ru
%F DAN_1981_257_5_a20