Patrice Ossona de Mendez. The Reduced Genus of a Multigraph. In Christoph Meinel, Sophie Tison, editors, STACS 99, 16th Annual Symposium on Theoretical Aspects of Computer Science, Trier, Germany, March 4-6, 1999, Proceedings. Volume 1563 of Lecture Notes in Computer Science, pages 16-31, Springer, 1999. [doi]
Abstract is missing.