@article{00617206,
title = {Non-regularity of some topologies on },
journal = {Mathematica Pannonica},
volume = {5},
year = {1994},
pages = {105-110},
zbl = {0802.54011},
language = {en},
url = {http://dml.mathdoc.fr/item/00617206}
}
Popvassilev, Strashimir G. Non-regularity of some topologies on . Mathematica Pannonica, Tome 5 (1994) pp. 105-110. http://gdmltest.u-ga.fr/item/00617206/