@article{DMTCS_2013_15_3_a0,
     author = {Naserasr, Reza and Rollova, Edita and Sopena, Eric},
     title = {Homomorphisms of planar signed graphs to signed projective cubes},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {2013},
     doi = {10.46298/dmtcs.612},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.612/}
}