TY - JOUR AU - T. D. Dzhuraev AU - Ya. Popelek TI - On~the canonical forms of third-order partial differential equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1989 SP - 203 EP - 204 VL - 44 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1989_44_4_a6/ LA - en ID - RM_1989_44_4_a6 ER -