@article{05019506,
title = {On a theorem of \v Sapirovski\u\i\ on the size of a sequential space.},
journal = {Mathematica Pannonica},
volume = {16},
year = {2005},
pages = {173-177},
zbl = {1100.54002},
language = {en},
url = {http://dml.mathdoc.fr/item/05019506}
}
Bella, Angelo. On a theorem of Šapirovskiĭ on the size of a sequential space.. Mathematica Pannonica, Tome 16 (2005) pp. 173-177. http://gdmltest.u-ga.fr/item/05019506/