Elizabeth J. Billington, Dean G. Hoffman. Equipartite and almost-equipartite gregarious 4-cycle systems. Discrete Mathematics, 308(5-6):696-714, 2008. [doi]
@article{BillingtonH08,
title = {Equipartite and almost-equipartite gregarious 4-cycle systems},
author = {Elizabeth J. Billington and Dean G. Hoffman},
year = {2008},
doi = {10.1016/j.disc.2007.07.056},
url = {http://dx.doi.org/10.1016/j.disc.2007.07.056},
researchr = {https://researchr.org/publication/BillingtonH08},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {308},
number = {5-6},
pages = {696-714},
}