M Chen, Y Wang, P Liu, J Xu - Discrete Mathematics, 2016 - Elsevier
Abstract Let d 1, d 2,…, dk be k nonnegative integers. A graph G=(V, E) is (d 1, d 2,…, dk)-
colorable, if the vertex set V of G can be partitioned into subsets V 1, V 2,…, V k such that the …