Two charged strangeonium-like structures observable in the Y(2175)→ϕ(1020)π + π − processDian-Yong Chen, Xiang Liu and Takayuki MatsukiEur. Phys. J. C, 72 5 (2012) 2008DOI: https://doi.org/10.1140/epjc/s10052-012-2008-z