%0 Journal Article %A O. F. Men'shikh %T Functionally invariant solutions of second order quasilinear partial differential equations %J Differencialʹnye uravneniâ %D 1975 %P 533-540 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_3_a12/ %G ru %F DE_1975_11_3_a12