%0 Journal Article
%A W. I. Fushchych
%T On a new method of the investigation of group properties of the mathematical physic equations
%J Doklady Akademii Nauk
%D 1979
%P 846-850
%V 246
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_246_4_a21/
%G ru
%F DAN_1979_246_4_a21