TY - JOUR AU - A. A. Vasil'eva TI - Closed Spans in $C(T)$ and $L_\varphi (T)$ and Their Approximative Properties JO - Matematičeskie zametki PY - 2003 SP - 135 EP - 138 VL - 73 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2003_73_1_a11/ LA - ru ID - MZM_2003_73_1_a11 ER -