%% -*-BibTeX-*- @Article{BorndoerferWeismantel2001, author = "Ralf Bornd{\"o}rfer and Robert Weismantel", title = "Discrete Relaxations of Combinatorial Programs", journal = "Discrete Appl. Math.", volume = "112", number = "1--3", pages = "11--26", year = "2001", note = "ZIB Preprint SC-97-54", URL = "http://opus.kobv.de/zib/volltexte/1997/324/", language = "English", }