TY - JOUR AU - A. R. Aliev TI - Boundary-Value Problems for a Class of Operator Differential Equations of High Order with Variable Coefficients JO - Matematičeskie zametki PY - 2003 SP - 803 EP - 814 VL - 74 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a0/ LA - ru ID - MZM_2003_74_6_a0 ER -