@inproceedings{Zwanziger:2012Iw, author = "Zwanziger, Daniel", title = "{Exact bounds on the free energy in QCD}", doi = "10.22323/1.136.0053", booktitle = "Proceedings of International Workshop on QCD Green's Functions, Confinement and Phenomenology {\textemdash} PoS(QCD-TNT-II)", year = 2012, volume = "136", pages = "053" }