Henson, D.; Sarvate, D. G.; Hurd, S. P. Group divisible designs with three groups and block size four. (English) Zbl 1116.05010 Discrete Math. 307, No. 14, 1693-1706 (2007). Reviewer: Charles J. Colbourn (Tempe) MSC: 05B05 05B07 PDFBibTeX XMLCite \textit{D. Henson} et al., Discrete Math. 307, No. 14, 1693--1706 (2007; Zbl 1116.05010) Full Text: DOI
Henson, Devin; Sarvate, Dinesh G. A family of group divisible designs of block size four and three groups with \(\lambda _1=2\) and \(\lambda _2=1\) using MOLS. (English) Zbl 1164.05313 Ars Comb. 78, 123-125 (2006). MSC: 05B05 05B15 PDFBibTeX XMLCite \textit{D. Henson} and \textit{D. G. Sarvate}, Ars Comb. 78, 123--125 (2006; Zbl 1164.05313)