@article{BUMI_1966_3_21_2_144_0,
author = {David F. Dawson},
title = {On subgroups of semigroups.},
journal = {Bollettino dell'Unione Matematica Italiana},
volume = {21},
year = {1966},
pages = {144-146},
zbl = {0143.03003},
mrnumber = {202872},
language = {en},
url = {http://dml.mathdoc.fr/item/BUMI_1966_3_21_2_144_0}
}
Dawson, David F. On subgroups of semigroups.. Bollettino dell'Unione Matematica Italiana, Tome 21 (1966) pp. 144-146. http://gdmltest.u-ga.fr/item/BUMI_1966_3_21_2_144_0/
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