@article{05021976,
title = {On subgroupoid lattices of some finite groupoid.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {72},
year = {2003},
pages = {147-157},
zbl = {1087.08003},
language = {en},
url = {http://dml.mathdoc.fr/item/05021976}
}
Pióro, K. On subgroupoid lattices of some finite groupoid.. Acta Mathematica Universitatis Comenianae. New Series, Tome 72 (2003) pp. 147-157. http://gdmltest.u-ga.fr/item/05021976/