%0 Journal Article
%A É. V. Nikol'skii
%T Generalized functionally invariant solutions of two-dimensional equations of second order and systems of first order
%J Doklady Akademii Nauk
%D 1980
%P 812-815
%V 250
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_250_4_a11/
%G ru
%F DAN_1980_250_4_a11