N. L. Biggs. A proof of Serre s theorem. Discrete Mathematics, 78(1-2):55-57, 1989. [doi]
@article{Biggs89a, title = {A proof of Serre s theorem}, author = {N. L. Biggs}, year = {1989}, doi = {10.1016/0012-365X(89)90160-X}, url = {http://dx.doi.org/10.1016/0012-365X(89)90160-X}, researchr = {https://researchr.org/publication/Biggs89a}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {78}, number = {1-2}, pages = {55-57}, }