@article{105177,
author = {V\v era Trnkov\'a},
title = {Strong embedding of category of all groupoids into category of semigroups},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {009},
year = {1968},
pages = {251-256},
zbl = {0191.01302},
mrnumber = {0237394},
language = {en},
url = {http://dml.mathdoc.fr/item/105177}
}
Trnková, Věra. Strong embedding of category of all groupoids into category of semigroups. Commentationes Mathematicae Universitatis Carolinae, Tome 009 (1968) pp. 251-256. http://gdmltest.u-ga.fr/item/105177/
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