Anton Cerný, Peter Horák, Walter D. Wallis. Kirkman s school projects. Discrete Mathematics, 167-168:189-196, 1997. [doi]
@article{CernyHW97, title = {Kirkman s school projects}, author = {Anton Cerný and Peter Horák and Walter D. Wallis}, year = {1997}, doi = {10.1016/S0012-365X(97)00227-6}, url = {http://dx.doi.org/10.1016/S0012-365X(97)00227-6}, researchr = {https://researchr.org/publication/CernyHW97}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {167-168}, pages = {189-196}, }