TY - JOUR AU - È. M. Muhamadiev TI - On the theory of periodic completely continuous vector fields JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1967 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1967_22_2_a22/ LA - ru ID - RM_1967_22_2_a22 ER -