TY - JOUR AU - V. V. Amel'kin AU - I. V. Gaishun TI - Some properties of the solutions of a certain second order equation JO - Differencialʹnye uravneniâ PY - 1971 SP - 2131 EP - 2135 VL - 7 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_12_a0/ LA - ru ID - DE_1971_7_12_a0 ER -