@article{GDZPPN001250868,
title = {Is Topologically Simple Simple?},
journal = {Semigroup forum},
volume = {11},
year = {1975},
pages = {90-93},
zbl = {0308.22004},
url = {http://dml.mathdoc.fr/item/GDZPPN001250868}
}
Mukherjea, A.; CLARK, W.E. Is Topologically Simple Simple?. Semigroup forum, Tome 11 (1975) pp. 90-93. http://gdmltest.u-ga.fr/item/GDZPPN001250868/