TY - JOUR AU - A. A. Vladimirov TI - On the Problem of Oscillation Properties of Positive Differential Operators with Singular Coefficients JO - Matematičeskie zametki PY - 2016 SP - 800 EP - 806 VL - 100 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2016_100_6_a2/ LA - ru ID - MZM_2016_100_6_a2 ER -