TY - JOUR AU - G. A. Grigoryan TI - Some properties of solutions of second-order linear ordinary differential equations JO - Trudy Instituta matematiki i mehaniki PY - 2013 SP - 69 EP - 80 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2013_19_1_a6/ LA - ru ID - TIMM_2013_19_1_a6 ER -