%% -*-BibTeX-*- @InCollection{Groetschel1977a, author = "Martin Gr{\"o}tschel", editor = "Peter L. Hammer and Ellis L. Johnson and Bernhard H. Korte and George L. Nemhauser", booktitle = "Studies in Integer Programming", title = "Graphs with cycles containing given paths", volume = "1", publisher = "North-Holland", pages = "233--245", year = "1977", series = "Annals of Discrete Mathematics", classmath = "*05C35", language = "English", }