TY - JOUR AU - Yu. T. Sil'chenko TI - Cauchy problem for second-order linear differential equations with variable operator coefficients JO - Matematičeskie zametki PY - 1996 SP - 149 EP - 152 VL - 60 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_60_1_a17/ LA - ru ID - MZM_1996_60_1_a17 ER -