TY - JOUR AU - N. G. Bil'chenko AU - V. A. Ovchinnikov TI - On a Lie group that admits a nonlinear system of partial differential equations of parabolic type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1997 SP - 69 EP - 74 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1997_1_a9/ LA - ru ID - IVM_1997_1_a9 ER -