Media type: E-Article Title: Algebraic characterizations of regularity properties in bipartite graphs Contributor: Abiad, Aida; Dalfó, Cristina; Fiol, Miquel Àngel imprint: Elsevier BV, 2013 Published in: European Journal of Combinatorics Language: English DOI: 10.1016/j.ejc.2013.05.006 ISSN: 0195-6698 Origination: Footnote: Access State: Open Access