@article{201912.0287, doi = {10.20944/preprints201912.0287.v3}, url = {https://doi.org/10.20944/preprints201912.0287.v3}, year = 2022, month = {September}, publisher = {Preprints}, author = {Xiao-Song Wang}, title = {A Theoretical Calculation of the Cosmological Constant Based on a Mechanical Model of Vacuum}, journal = {Preprints} }