@article{1183417955, author = {Sisam, C. H.}, title = {On self--dual scrolls}, journal = {Bull. Amer. Math. Soc.}, volume = {11}, number = {3}, year = {1904}, pages = { 440-441}, language = {en}, url = {http://dml.mathdoc.fr/item/1183417955} }
Sisam, C. H. On self–dual scrolls. Bull. Amer. Math. Soc., Tome 11 (1904) no. 3, pp. 440-441. http://gdmltest.u-ga.fr/item/1183417955/