@article{bwmeta1.element.bwnjournal-article-fmv89i1p11bwm,
author = {Dennis Roseman},
title = {Projections of knots},
journal = {Fundamenta Mathematicae},
volume = {89},
year = {1975},
pages = {99-110},
zbl = {0312.57011},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv89i1p11bwm}
}
Roseman, Dennis. Projections of knots. Fundamenta Mathematicae, Tome 89 (1975) pp. 99-110. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv89i1p11bwm/