%% -*-BibTeX-*- @InCollection{Balas1975b, author = "E. Balas", editor = "O. L. Mangasarian et al.", booktitle = "Nonlinear Programming 2", title = "Disjunctive programming: Cutting planes from logical conditions", publisher = "Academic Press, London", pages = "279--312", year = "1975", language = "English", }