@article {Aad:2019uzh,
	title = {{Combination of searches for Higgs boson pairs in $pp$ collisions at $\sqrt{s} = $13 TeV with the ATLAS detector}},
	journal = {Phys. Lett. B},
	volume = {800},
	year = {2020},
	pages = {135103},
	doi = {10.1016/j.physletb.2019.135103},
	author = {Aad, Georges and others}
}
