@article{Dimopoulos:2014cn, author = "Dimopoulos, Petros and Frezzotti, Roberto and Lami, Paolo and Lubicz, Vittorio and Picca, Eleonora and Riggio, Lorenzo and Rossi, Giancarlo and Sanfilippo, Francesco and Simula, Silvano and Tarantino, Cecilia", title = "{Pseudoscalar decay constants $f_K/f_\pi$, $f_D$ and $f_{D_s}$ with $N_f = 2 + 1 + 1$ ETMC congurations}", doi = "10.22323/1.187.0314", journal = "PoS", year = 2014, volume = "LATTICE 2013", pages = "314" }