TY - JOUR AU - V. A. Sibiryakov TI - The solution of a differential equation with variable coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1962 SP - 143 EP - 145 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1962_4_a16/ LA - ru ID - IVM_1962_4_a16 ER -