@article{Szczurek:2020I/,
  author = "Szczurek, Antoni",
  title = "{Production of $W^+ W^-$ and $t \bar t$ pairs via photon-photon processes in proton-proton scattering and corresponding gap survival factor}",
  doi = "10.22323/1.364.0655",
  journal = "PoS",
  year = 2020,
  volume = "EPS-HEP2019",
  pages = "655"
}