TY - JOUR AU - Riedrich, Thomas TI - On vector-topological properties of zero-neighbourhoods of topological vector spaces JO - Commentationes Mathematicae Universitatis Carolinae PY - 1980 SP - 119 EP - 129 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1980__21_1_a8/ LA - en ID - CMUC_1980__21_1_a8 ER -