TY - JOUR AU - I. N. Sergeev TI - Reducibility of linear differential systems to linear differential equations JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2019 SP - 39 EP - 44 IS - 3 UR - http://geodesic.mathdoc.fr/item/VMUMM_2019_3_a4/ LA - ru ID - VMUMM_2019_3_a4 ER -