Chiral quark model with infrared cut-off for the description of meson properties in hot matter D.B. Blaschke, G.R.G. Burau, M.K. Volkov and V.L. Yudichev Eur Phys J A, 11 3 (2001) 319-327 Published online: 19 February 2004 DOI: 10.1007/PL00022984