TY - JOUR AU - K. Fan TI - Linear inequalities and closure properties in normed linear spaces JO - Matematika PY - 1961 SP - 117 EP - 122 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1961_5_4_a2/ LA - ru ID - MAT_1961_5_4_a2 ER -