Coexistence of color superconductivity and chiral symmetry breaking within the NJL model D. Blaschke, M.K. Volkov and V.L. Yudichev Eur. Phys. J. A, 17 1 (2003) 103-110 Published online: 24 April 2003 DOI: 10.1140/epja/i2003-10003-9