@article{106014,
author = {Tom\'a\v s Kepka},
title = {A note on associative triples of elements in cancellation groupoids},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {021},
year = {1980},
pages = {479-487},
zbl = {0444.20069},
mrnumber = {590128},
language = {en},
url = {http://dml.mathdoc.fr/item/106014}
}
Kepka, Tomáš. A note on associative triples of elements in cancellation groupoids. Commentationes Mathematicae Universitatis Carolinae, Tome 021 (1980) pp. 479-487. http://gdmltest.u-ga.fr/item/106014/
A note on associativity, Pacific J. Math. 10 (1960), 591-595. (1960) | MR 0116064 | Zbl 0093.01901
On the associative law of groups, Rend. Mat. e Appl. 21 (1962), 60-76. (1962) | MR 0141723 | Zbl 0286.20090