The S-wave resonance contributions to the three-body decays in perturbative QCD approachYa Li, Ai-Jun Ma, Wen-Fei Wang and Zhen-Jun XiaoEur. Phys. J. C, 76 12 (2016) 675DOI: https://doi.org/10.1140/epjc/s10052-016-4529-3