TY - JOUR AU - V. M. Millionščikov TI - On the spectral theory of nonautonomous linear systems of differential equations JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1968 SP - 147 EP - 186 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1968_18_a8/ LA - ru ID - MMO_1968_18_a8 ER -