@article{1077468478, author = {Armentrout, Steve}, title = {Concerning a certain collection of spirals in the plane}, journal = {Duke Math. J.}, volume = {26}, number = {1}, year = {1959}, pages = { 243-250}, language = {en}, url = {http://dml.mathdoc.fr/item/1077468478} }
Armentrout, Steve. Concerning a certain collection of spirals in the plane. Duke Math. J., Tome 26 (1959) no. 1, pp. 243-250. http://gdmltest.u-ga.fr/item/1077468478/