@article {Li:2021tcw,
	title = {Ultrahigh-energy photons from LHAASO as probes of Lorentz symmetry violations},
	journal = {Phys. Rev. D},
	volume = {104},
	number = {6},
	year = {2021},
	pages = {063012},
	doi = {10.1103/PhysRevD.104.063012},
	author = {Li, Chengyi and Ma, Bo-Qiang}
}
