@article{Lucha:2020P7,
  author = "Lucha, Wolfgang  and  Melikhov, Dmitri  and  Sazdjian, Hagop",
  title = "{Flavour-Exotic Tetraquarks in Large-$N_c$ QCD:Do They Exist?}",
  doi = "10.22323/1.364.0474",
  journal = "PoS",
  year = 2020,
  volume = "EPS-HEP2019",
  pages = "474"
}