×
Copy the page URI to the clipboard
Allston, J. L.; Grannell, M. J.; Griggs, T. S.; Quinn, K. A. S. and Stanton, R. G.
(2000).
Abstract
The minimum number of incomplete blocks required to cover, exactly times, all -element subsets from a set of cardinality is denoted by . The value of is known for . It was previously known that . We prove that .