@article{MASLO_1971_21_4_a6,
author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
title = {A {Note} on {Classes} of {Regularity} in {Semigroups}},
journal = {Mathematica slovaca},
pages = {312--317},
year = {1971},
volume = {21},
number = {4},
mrnumber = {0301122},
zbl = {0235.20057},
language = {en},
url = {http://geodesic.mathdoc.fr/item/MASLO_1971_21_4_a6/}
}
Pondělíček, Bedřich. A Note on Classes of Regularity in Semigroups. Mathematica slovaca, Tome 21 (1971) no. 4, pp. 312-317. http://geodesic.mathdoc.fr/item/MASLO_1971_21_4_a6/
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