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Author: Che, Zhongyuan

• Che, Zhongyuan: Existence of perfect matchings in a plane bipartite graph. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 2, pp. 489-494
• Che, Zhongyuan: On $k$-pairable graphs from trees. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 1, pp. 377-386