%% -*-BibTeX-*- @Article{GroetschelWin1992, author = "Martin Gr{\"o}tschel and Zaw Win", title = "A cutting plane algorithm for the windy postman problem", journal = "Mathematical Programming, Series A", volume = "55", number = "3", pages = "339--358", year = "1992", classmath = "*90C27 90C35 90-08 90C05 52B12", language = "English", }