TY - JOUR AU - V. P. Derevenskii TI - Exponential solution of first-order matrix linear differential equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1981 SP - 31 EP - 33 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1981_7_a4/ LA - ru ID - IVM_1981_7_a4 ER -