TY - JOUR AU - Gabriyelyan, S. S. TI - On characterized subgroups of Abelian topological groups $X$ and the group of all $X$-valued null sequences JO - Commentationes Mathematicae Universitatis Carolinae PY - 2014 SP - 73 EP - 99 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2014__55_1_a6/ LA - en ID - CMUC_2014__55_1_a6 ER -