@article{106145,
author = {Jaroslav Je\v zek},
title = {The number of minimal varieties of idempotent groupoids},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {023},
year = {1982},
pages = {199-205},
zbl = {0502.08008},
mrnumber = {653364},
language = {en},
url = {http://dml.mathdoc.fr/item/106145}
}
Ježek, Jaroslav. The number of minimal varieties of idempotent groupoids. Commentationes Mathematicae Universitatis Carolinae, Tome 023 (1982) pp. 199-205. http://gdmltest.u-ga.fr/item/106145/
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