Fine-tuning renormalization and two-particle states in the nonrelativistic four-fermion model Vall, A. N. ; Korenblit, S. E. ; Leviant, V. M. ; Sinitskaya, A. V. ; Tanaev, A. B. Abstract Publication: Physics of Atomic Nuclei Pub Date: August 1997 Bibcode: 1997PAN....60.1314V