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On the separation in 2-period double round robin tournaments with minimum breaks
Zeng, Lishun, (2012)
Constructing fair single round robin tournaments regarding strength groups with a minimum number of breaks
Zeng, Lishun, (2013)
ON THE GENERALIZED MIRRORED SCHEME FOR DOUBLE ROUND ROBIN TOURNAMENTS IN SPORTS SCHEDULING
ZENG, LISHUN, (2013)