%0 Journal Article
%A O. F. Men'shikh
%T Letter to the editors: ``Functionally invariant solutions of second order quasilinear partial differential equations'' (Differencial'nye Uravnenija \textbf{11} (1975), 533--540)
%J Differencialʹnye uravneniâ
%D 1976
%P 183
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_1_a24/
%G ru
%F DE_1976_12_1_a24