Study of the decay mode D0→K−K−K+π+
Link, J.M.; Yager, P.M.; Anjos, J.C.; Bediaga, I.; Göbel, C.; Magnin, J.; Massafferri, A.; de Miranda, J.M.; Machado, A.A.; Pepe, I.M.; Polycarpo, E.; dos Reis, A.C.; Carrillo Moreno, Salvador; FOCUS Collaboration (2003)