By Appa G.   Kotnyek B.   in Discrete Mathematics

ISSN:0012-365X|275|1|1-15

Elsevier‎(2004)‎

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By Csondes T.   Kotnyek B.   Zoltan Szabo J.   in European Journal of Operational Research

ISSN:0377-2217|142|1|203-218

Elsevier‎(2002)‎

Access to resources Favorite 10.144418