Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleTowards a Version of Ohba's Conjecture for Improper Colorings.AuthorsWang, Wei; Qian, Jianguo; Yan, ZhidanSubjectsGRAPH theory; SUBGRAPHS; PROBABILITY theory; MATHEMATICAL mappings; MATHEMATICAL analysisPublicationGraphs & Combinatorics, 2017, Vol 33, Issue 2, p489ISSN0911-0119Publication typeArticleDOI10.1007/s00373-017-1763-x