@misc{AzzSelLefAbs2014.08, author = "Michael Azzam and S. Easter Selvan and Augustin Lef\`evre and P.-A. Absil", title = "Mixed integer programming to globally minimize the economic load dispatch problem with valve-point effect", howpublished = "http://sites.uclouvain.be/absil/2014.08", month = "July", year = 2014, }