Precise determination of the parameters of resonances f0(500) and f0(980) by fitting the data and dispersion relationsRobert Kamiński, R. Garcia-Martin, J. R. Pelaez and J. Ruiz de ElviraEPJ Web of Conferences, 37 (2012) 08004DOI: https://doi.org/10.1051/epjconf/20123708004