Ge, Gennian; Ling, Alan C. H. Group divisible designs with block size four and group type \(g^{u} m^{1}\) for small \(g\). (English) Zbl 1044.05017 Discrete Math. 285, No. 1-3, 97-120 (2004). MSC: 05B05 × Cite Format Result Cite Review PDF Full Text: DOI
Ge, Gennian; Wei, R. HGDDs with block size four. (English) Zbl 1034.05007 Discrete Math. 279, No. 1-3, 267-276 (2004). MSC: 05B05 × Cite Format Result Cite Review PDF Full Text: DOI