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@article{AM2_1992__44_1_137489, author = {R. Padmanabhan and P. Penner}, title = {Binary hyperidentities.}, journal = {Aequationes mathematicae}, pages = {154--167}, publisher = {mathdoc}, volume = {44}, number = {1}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137489/} }
R. Padmanabhan; P. Penner. Binary hyperidentities.. Aequationes mathematicae, Tome 44 (1992) no. 1, pp. 154-167. http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137489/