@article{bwmeta1.element.bwnjournal-article-cmv13i2n9,
author = {Helen F. Cullen},
title = {Curve breakers},
journal = {Colloquium Mathematicae},
volume = {13},
year = {1964},
pages = {217-221},
zbl = {0132.18704},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv13i2n9}
}
Helen F. Cullen. Curve breakers. Colloquium Mathematicae, Tome 13 (1964) pp. 217-221. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv13i2n9/