Clement W. H. Lam. Distance transitive digraphs. Discrete Mathematics, 29(3):265-274, 1980. [doi]
@article{Lam80-0, title = {Distance transitive digraphs}, author = {Clement W. H. Lam}, year = {1980}, doi = {10.1016/0012-365X(80)90155-7}, url = {http://dx.doi.org/10.1016/0012-365X(80)90155-7}, researchr = {https://researchr.org/publication/Lam80-0}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {29}, number = {3}, pages = {265-274}, }