TY - JOUR AU - Uwe Schauz TI - Colorings and orientations of matrices and graphs JO - The electronic journal of combinatorics PY - 2006 VL - 13 UR - http://geodesic.mathdoc.fr/articles/10.37236/1087/ DO - 10.37236/1087 ID - 10_37236_1087 ER -