TY - JOUR AU - Yu. F. Korobeinik TI - On a class of differential equations of infinite order with variable coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1962 SP - 73 EP - 80 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1962_4_a7/ LA - ru ID - IVM_1962_4_a7 ER -