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research
Group divisible designs with block-size four
Authors
A.E. Brouwer
H. Hanani
A. Schrijver
Publication date
1 January 1977
Publisher
Published by Elsevier B.V.
Doi
Cite
Abstract
AbstractIt is proved that the obvious necessary conditions for the existence of a group divisible design with k = 4 are sufficient, except for the cases corresponding to the non-existing transversal designs T[4, 1; 2] and T[4, 1; 6]
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