@article{bwmeta1.element.desklight-be682364-fb04-4dcc-b5ec-040ed374a494,
author = {Witold Bula},
title = {On continua having three types of open subsets},
journal = {Colloquium Mathematicae},
volume = {44},
year = {1981},
pages = {221-225},
zbl = {0509.54032},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-be682364-fb04-4dcc-b5ec-040ed374a494}
}
Witold Bula. On continua having three types of open subsets. Colloquium Mathematicae, Tome 44 (1981) pp. 221-225. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-be682364-fb04-4dcc-b5ec-040ed374a494/