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@article{MAN_1871__3_156500, author = {Cayley}, title = {On the transformation of unicursal surfaces}, journal = {Mathematische Annalen}, pages = {469--474}, publisher = {mathdoc}, volume = {3}, year = {1871}, zbl = {03.0424.02}, url = {http://geodesic.mathdoc.fr/item/MAN_1871__3_156500/} }
Cayley. On the transformation of unicursal surfaces. Mathematische Annalen, Tome 3 (1871), pp. 469-474. http://geodesic.mathdoc.fr/item/MAN_1871__3_156500/