The interference effects of multi-channel pion-pion scattering contributions to the final states of Ψ- and γ-meson family decaysYu.S. Surovtsev, P. Bydžovský, T. Gutsche, R. Kamiński, V.E. Lyubovitskij and M. NagyEPJ Web Conf., 130 (2016) 04005DOI: https://doi.org/10.1051/epjconf/201613004005