@article{GDZPPN002024500,
title = {Nets Associated to Multigroupoids.},
journal = {Aequationes mathematicae},
volume = {5},
year = {1970},
pages = {10-18},
zbl = {0221.20100},
url = {http://dml.mathdoc.fr/item/GDZPPN002024500}
}
Havel, Václav. Nets Associated to Multigroupoids.. Aequationes mathematicae, Tome 5 (1970) pp. 10-18. http://gdmltest.u-ga.fr/item/GDZPPN002024500/