TY - JOUR AU - Naserasr, Reza AU - Rollova, Edita AU - Sopena, Eric TI - Homomorphisms of planar signed graphs to signed projective cubes JO - Discrete mathematics & theoretical computer science PY - 2013 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.612/ DO - 10.46298/dmtcs.612 LA - en ID - DMTCS_2013_15_3_a0 ER -