The problem of scalar mesonsAchasov, N N; Devyanin, S A; Shestakov, G N · Soviet Physics Uspekhi · 1984

New information on the strong isospin symmetry breaking in the reactions of the <i>a</i> <sub/>0</sub>⁰ (980) and <i>f</i> <sub/>0</sub> (980) resonance productionAchasov, N.N.; Shestakov, G.N.; Achasov, M.N.; Ignatov, F.V.; Krokovny, P.P. · EPJ Web of Conferences · 2019

Summary of the search for four-quark states in γγ collisionsAchasov, N N; Shestakov, G N · Soviet Physics Uspekhi · 1991