Nussinov, Shmuel2004-12-142004-12-1420012001http://hdl.handle.net/2003/1897210.17877/DE290R-12314enThe American Physical SocietyPhysical Review Letters530On Some Positivity Properties of the Interquark Potential in QCD10.1103/PhysRevLett.86.4762article (journal)