@article{03802077,
title = {Functional equations of generalized associativity, bisymmetry, transitivity and distributivity.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {29(43)},
year = {1981},
pages = {81-87},
zbl = {0508.39013},
language = {en},
url = {http://dml.mathdoc.fr/item/03802077}
}
Krapez, A. Functional equations of generalized associativity, bisymmetry, transitivity and distributivity.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 29(43) (1981) pp. 81-87. http://gdmltest.u-ga.fr/item/03802077/