@inproceedings{d.2020rigidity,
title={Rigidity of the Bonnet-Myers inequality for graphs with respect to Ollivier Ricci curvature},
author={D. Cushing, S. Kamtue, J. Koolen, S. Liu, F. Münch, and N. Peyerimhoff},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220318132513039785010},
booktitle={Advances in Mathematics},
volume={369},
pages={107188},
year={2020},
}

D. Cushing, S. Kamtue, J. Koolen, S. Liu, F. Münch, and N. Peyerimhoff. Rigidity of the Bonnet-Myers inequality for graphs with respect to Ollivier Ricci curvature. 2020. Vol. 369. In Advances in Mathematics. pp.107188. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220318132513039785010.