TY - JOUR AU - M. V. Shvetskii TI - The functionally invariant solutions of a second order quasilinear partial differential equation JO - Differencialʹnye uravneniâ PY - 1977 SP - 1534 EP - 1536 VL - 13 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_8_a27/ LA - ru ID - DE_1977_13_8_a27 ER -