@article{201912.0287,
	doi = {10.20944/preprints201912.0287.v2},
	url = {https://doi.org/10.20944/preprints201912.0287.v2},
	year = 2021,
	month = {January},
	publisher = {Preprints},
	author = {Xiao-Song Wang},
	title = {A Theoretical Calculation of the Cosmological Constant Based on a Mechanical Model of Vacuum},
	journal = {Preprints}
}