%% -*-BibTeX-*- @Article{GroetschelTruemper1989a, author = "Martin Gr{\"o}tschel and Klaus Truemper", title = "Decomposition and Optimization over Cycles in Binary Matroids", journal = "Journal of Combinatorial Theory, Series B", volume = "46", number = "3", pages = "306--337", year = "1989", classmath = "*05B35", language = "English", }