The Riddle of the f0(980) and a0(980): Are They the Quark-Antiquark States?hep-ph/ AuthorsA. V. Anisovich, V. V. Anisovich, L. G. Dakhno, V. N. Markov, M. A. Matveev, V. A. Nikonov, A. V. Sarantsev/ AbstractA list of arguments favouring quark-antiquark nature of a0(980) and f0(980) is presented.