%% -*-BibTeX-*- @Article{GroetschelMonma1990, author = "Martin Gr{\"o}tschel and Clyde L. Monma", title = "Integer Polyhedra Arising from Certain Network Design Problems with Connectivity Constraints", journal = "SIAM Journal on Discrete Mathematics", volume = "3", number = "4", pages = "502--523", year = "1990", classmath = "*90B18 90C27 52B12 90C90 05C40 90B25 90C35", language = "English", }