@article{bwmeta1.element.bwnjournal-article-fmv57i1p14bwm,
author = {J. Boland},
title = {Embedding of graphs in the projective plane},
journal = {Fundamenta Mathematicae},
volume = {57},
year = {1965},
pages = {195-203},
zbl = {0141.40902},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv57i1p14bwm}
}
Boland, J. Embedding of graphs in the projective plane. Fundamenta Mathematicae, Tome 57 (1965) pp. 195-203. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv57i1p14bwm/