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• Volume 133

Author: Zhang, Ping

• Okamoto, Futaba; Zhang, Ping: On upper traceable numbers of graphs. (English). Mathematica Bohemica, vol. 133 (2008), issue 4, pp. 389-405
• Chartrand, Gary; Johns, Garry L.; McKeon, Kathleen A.; Zhang, Ping: Rainbow connection in graphs. (English). Mathematica Bohemica, vol. 133 (2008), issue 1, pp. 85-98