@article{GDZPPN002039672,
title = {Binary hyperidentities.},
journal = {Aequationes mathematicae},
volume = {44},
year = {1992},
pages = {154-167},
url = {http://dml.mathdoc.fr/item/GDZPPN002039672}
}
Padmanabhan, R.; Penner, P. Binary hyperidentities.. Aequationes mathematicae, Tome 44 (1992) pp. 154-167. http://gdmltest.u-ga.fr/item/GDZPPN002039672/