@article{CMUC_1990__31_1_a3,
     author = {Boldjiev, B. and Malykhin, Viacheslav I.},
     title = {The sequentiality is equivalent to the ${\cal F}${-Fr\'echet-Urysohn} property},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {23--25},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1990},
     mrnumber = {1056166},
     zbl = {0696.54020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_1_a3/}
}