A chiral bag model with a soft surface : structure and solutions of the Fuzzy and the modified Fuzzy Bag Model C.A.Z. Vasconcellos, H.T. Coelho, F.G. Pilotto, B.E.J. Bodmann, M. Dillig and M. RazeiraEur. Phys. J. C, 4 1 (1998) 115-127DOI: https://doi.org/epjc/v4/p115(epjc762)