Östergård, Patric R. J.; Seuranen, Esa Antero Unidirectional covering codes. (English) Zbl 1288.94118 IEEE Trans. Inf. Theory 52, No. 1, 336-340 (2006). MSC: 94B65 90C10 PDFBibTeX XMLCite \textit{P. R. J. Östergård} and \textit{E. A. Seuranen}, IEEE Trans. Inf. Theory 52, No. 1, 336--340 (2006; Zbl 1288.94118) Full Text: DOI
Seuranen, Esa A.; Östergård, Patric R. J. New lower bounds for asymmetric covering codes. (English) Zbl 1131.94023 Congr. Numerantium 178, 57-63 (2006). MSC: 94B05 PDFBibTeX XMLCite \textit{E. A. Seuranen} and \textit{P. R. J. Östergård}, Congr. Numerantium 178, 57--63 (2006; Zbl 1131.94023)
Östergård, Patric R. J.; Seuranen, Esa A. Constructing asymmetric covering codes by tabu search. (English) Zbl 1073.94028 J. Comb. Math. Comb. Comput. 51, 165-173 (2004). MSC: 94B75 94B65 90C59 PDFBibTeX XMLCite \textit{P. R. J. Östergård} and \textit{E. A. Seuranen}, J. Comb. Math. Comb. Comput. 51, 165--173 (2004; Zbl 1073.94028)