TY - JOUR AU - Ron Aharoni AU - Ron Holzman AU - David Howard AU - Philipp Sprüssel TI - Cooperative colorings and independent systems of representatives JO - The electronic journal of combinatorics PY - 2015 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/2488/ DO - 10.37236/2488 ID - 10_37236_2488 ER -