TY - JOUR AU - V. A. Yakubovich TI - The structure of the functional space of complex canonical equations with periodic coefficients JO - Doklady Akademii Nauk PY - 1961 SP - 54 EP - 57 VL - 139 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a13/ LA - ru ID - DAN_1961_139_1_a13 ER -