Quark-meson SU(3) model in a Tamm-Dancoff inspired approximation D. Horvat, D. Horvatić and D. Tadić Eur. Phys. J. C, 38 4 (2005) 483-494 Published online: 15 January 2005 DOI: 10.1140/epjc/s2004-02062-5