%% -*-BibTeX-*- @InProceedings{Groetschel1977c, author = "Martin Gr{\"o}tschel", booktitle = "Operations Research Verfahren XXIV, Symposium in Mannheim", title = "The monotone 2-matching polytope on a complete graph", pages = "72--84", year = "1977", classmath = "*05C99 05C38 90C10", language = "English", }