%0 Journal Article
%A N. P. Erugin
%A M. M. Smirnov
%T Functionally invariant solutions of differential equations
%J Differencialʹnye uravneniâ
%D 1981
%P 853-865
%V 17
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_5_a9/
%G ru
%F DE_1981_17_5_a9