@article{ANZIVINO:20203M, author = "ANZIVINO, Giuseppina", title = "{The K$^{±}$ → π$^{±}$π$^0$e$^+$e$^−$ decay: first observation and study with the NA48/2 experiment at CERN}", doi = "10.22323/1.364.0237", journal = "PoS", year = 2020, volume = "EPS-HEP2019", pages = "237" }