TY - JOUR AU - V. B. Lidskii AU - B. V. Fedosov TI - Convergence to zero of the solutions of a second-order differential equation with operator coefficients JO - Matematičeskie zametki PY - 1967 SP - 307 EP - 314 VL - 2 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1967_2_3_a9/ LA - ru ID - MZM_1967_2_3_a9 ER -