DR Stinson,
R Wei, J Yin - Handbook of Combinatorial Designs, 2006 - taylorfrancis.com
… The packing number Dλ(v, k, t) is the maximum number of blocks in any t-(v, k, λ) packing.
A t-(v, k, λ) … A cyclic packing with maximum possible number of blocks is optimal. 40.39 …