TY - JOUR AU - Tardif, Claude TI - Counterexamples to Hedetniemi's conjecture and infinite Boolean lattices JO - Commentationes Mathematicae Universitatis Carolinae PY - 2022 SP - 315 EP - 327 VL - 63 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2023.003/ DO - 10.14712/1213-7243.2023.003 LA - en ID - 10_14712_1213_7243_2023_003 ER -