TY - JOUR AU - P. L. Ul'yanov TI - On some approximative and topological properties of the function-space $\varphi(L)$ JO - Doklady Akademii Nauk PY - 1972 SP - 534 EP - 536 VL - 203 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_203_3_a7/ LA - ru ID - DAN_1972_203_3_a7 ER -