TY - JOUR AU - Hiroki Koike AU - Daniel Pellicer AU - Miguel Raggi AU - Steve Wilson TI - Flag bicolorings, pseudo-orientations, and double covers of maps JO - The electronic journal of combinatorics PY - 2017 VL - 24 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/6118/ DO - 10.37236/6118 ID - 10_37236_6118 ER -