@article{Pompos:20077E, author = "Pompos, Arnold", title = "{Study of Flavor Changing Neutral Current Charm Decays and Observation of $D_s^+\rightarrow \phi \pi^+ \rightarrow \pi^+ \mu^+ \mu^-$}", doi = "10.22323/1.021.0220", journal = "PoS", year = 2007, volume = "HEP2005", pages = "220" }