1. Graphs and Hypergraphs;Berge,1973
2. Graph Theory with Applications;Bondy,1976
3. A note on perfect matchings of graphs (in Chinese);Chen;J. Beijing Agric. Eng. Univ.,1990
4. Extensions of some theorems on 1-factors;Chen;Acta Math. Sci.,1990
5. Binding number and toughness for matching extension;Chen;Discrete Math.,1995