@article{10_37236_770,
     author = {I. Gitler and P. Hlin\v{e}n\'y and J. Lea\~nos and G. Salazar},
     title = {The crossing number of a projective graph is quadratic in the face-width},
     journal = {The electronic journal of combinatorics},
     year = {2008},
     volume = {15},
     doi = {10.37236/770},
     zbl = {1159.05016},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/770/}
}