Pierre Bonami Gérard Cornuéjols Sanjeeb Dash Matteo Fischetti Andrea Lodi Projected Chvátal-Gomory cuts for mixed integer linear programs. 241-257 2008 113 Math. Program. 2 http://dx.doi.org/10.1007/s10107-006-0051-y db/journals/mp/mp113.html#BonamiCDFL08