@article{201709.0030, doi = {10.20944/preprints201709.0030.v1}, url = {https://doi.org/10.20944/preprints201709.0030.v1}, year = 2017, month = {September}, publisher = {Preprints}, author = {Gang Liu}, title = {Extended Dynamical Equations of the Period Vectors of Crystals under Constant External Stress to Many-body Interactions}, journal = {Preprints} }