Charles Curtis Lindner, Kevin T. Phelps, Christopher A. Rodger. The spectrum for 2-perfect 6-cycle systems. Journal of Combinatorial Theory, Series A, 57(1):76-85, 1991. [doi]
@article{LindnerPR91,
title = {The spectrum for 2-perfect 6-cycle systems},
author = {Charles Curtis Lindner and Kevin T. Phelps and Christopher A. Rodger},
year = {1991},
doi = {10.1016/0097-3165(91)90007-4},
url = {http://dx.doi.org/10.1016/0097-3165(91)90007-4},
researchr = {https://researchr.org/publication/LindnerPR91},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {57},
number = {1},
pages = {76-85},
}