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@article{JRAM_1877__83_148335, author = {A. Cayley}, title = {Further investigations on the double ...-functions.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {220--233}, publisher = {mathdoc}, volume = {83}, year = {1877}, zbl = {09.0366.01}, url = {http://geodesic.mathdoc.fr/item/JRAM_1877__83_148335/} }
A. Cayley. Further investigations on the double ...-functions.. Journal für die reine und angewandte Mathematik, Tome 83 (1877), pp. 220-233. http://geodesic.mathdoc.fr/item/JRAM_1877__83_148335/