TY - JOUR AU - V. R. Petukhov TI - A differential-functional equation in partial derivatives JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1964 SP - 96 EP - 99 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1964_1_a12/ LA - ru ID - IVM_1964_1_a12 ER -