TY - JOUR AU - I. I. Endovickii TI - Oscillations of the solutions of second order linear equations with bounded coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1977 SP - 44 EP - 49 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1977_6_a4/ LA - ru ID - IVM_1977_6_a4 ER -