Johnson, S. M. A new lower bound for coverings by rook domains. (English) Zbl 0265.05011 Util. Math. 1, 121-140 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 8 Documents MSC: 05B40 Combinatorial aspects of packing and covering 05B25 Combinatorial aspects of finite geometries 94B99 Theory of error-correcting codes and error-detecting codes PDFBibTeX XMLCite \textit{S. M. Johnson}, Util. Math. 1, 121--140 (1972; Zbl 0265.05011)