TY - JOUR AU - I. I. Endovickii TI - On the question of oscillations of solutions of second-order linear equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1981 SP - 18 EP - 22 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1981_10_a3/ LA - ru ID - IVM_1981_10_a3 ER -