@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/