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• Volume 127

Author: Zhang, Ping

• Zhang, Ping: On $k$-strong distance in strong digraphs. (English). Mathematica Bohemica, vol. 127 (2002), issue 4, pp. 557-570
• Chartrand, Gary; Erwin, David; Zhang, Ping: Radio antipodal colorings of graphs. (English). Mathematica Bohemica, vol. 127 (2002), issue 1, pp. 57-69