@article{1183419302,
author = {Wright, J. Edmund},
title = {Double points of unicursal curves},
journal = {Bull. Amer. Math. Soc.},
volume = {14},
number = {3},
year = {1907},
pages = { 389-391},
language = {en},
url = {http://dml.mathdoc.fr/item/1183419302}
}
Wright, J. Edmund. Double points of unicursal curves. Bull. Amer. Math. Soc., Tome 14 (1907) no. 3, pp. 389-391. http://gdmltest.u-ga.fr/item/1183419302/