Elizabeth J. Billington, Dean G. Hoffman. The intersection problem for star designs. Discrete Mathematics, 179(1-3):217-222, 1998. [doi]
@article{BillingtonH98,
title = {The intersection problem for star designs},
author = {Elizabeth J. Billington and Dean G. Hoffman},
year = {1998},
doi = {10.1016/S0012-365X(97)00092-7},
url = {http://dx.doi.org/10.1016/S0012-365X(97)00092-7},
researchr = {https://researchr.org/publication/BillingtonH98},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {179},
number = {1-3},
pages = {217-222},
}