TY - JOUR AU - Boldjiev, B. AU - Malykhin, Viacheslav I. TI - The sequentiality is equivalent to the ${\cal F}$-Fréchet-Urysohn property JO - Commentationes Mathematicae Universitatis Carolinae PY - 1990 SP - 23 EP - 25 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1990__31_1_a3/ LA - en ID - CMUC_1990__31_1_a3 ER -