TY - JOUR AU - V. P. Derevenskii TI - Systems of matrix linear differential equations of first order JO - Matematičeskie zametki PY - 1999 SP - 63 EP - 75 VL - 66 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a6/ LA - ru ID - MZM_1999_66_1_a6 ER -