Frank E. Bennett, Kevin T. Phelps, Christopher A. Rodger, J. Yin, Lie Zhu. Existence of perfect Mendelsohn designs with k=5 and lambda>1. Discrete Mathematics, 103(2):129-137, 1992. [doi]
@article{BennettPRYZ92,
title = {Existence of perfect Mendelsohn designs with k=5 and lambda>1},
author = {Frank E. Bennett and Kevin T. Phelps and Christopher A. Rodger and J. Yin and Lie Zhu},
year = {1992},
doi = {10.1016/0012-365X(92)90263-F},
url = {http://dx.doi.org/10.1016/0012-365X(92)90263-F},
researchr = {https://researchr.org/publication/BennettPRYZ92},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {103},
number = {2},
pages = {129-137},
}