On the blocking sets in \(S(3,6,22)\) and \(S(4,7,23)\)
It is shown that up to isomorphism there is exactly one blocking set having size nine in \(S(3,6,22)\), and in \(S(4,7,23)\) there is exactly one minimal blocking set having six points on a block.
scientific article; zbMATH DE number 1462332
scientific article