On symmetric BIBDs with the same 3-concurrence
Crossref DOI link: https://doi.org/10.1007/s10623-016-0317-1
Published Online: 2016-12-16
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Chen, Zongchen
Zhao, Da http://orcid.org/0000-0002-9582-0778
Funding for this research was provided by:
National Natural Science Foundation of China (11271257, 11271255)
License valid from 2016-12-16