%0 Journal Article %A M. V. Shvetskii %T The functionally invariant solutions of a second order quasilinear partial differential equation %J Differencialʹnye uravneniâ %D 1977 %P 1534-1536 %V 13 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_8_a27/ %G ru %F DE_1977_13_8_a27