1. Total and connected domination in digraphs;Arumugam;Australas. J. Combin.,2007
2. Digraphs: Theory, Algorithms and Applications;Bang-Jensen,2008
3. Théorie Des Graphes Et Ses Applications;Berge,1966
4. The k-domination and k-stability problems on sun-free chordal graphs;Chang;SIAM J. Algebraic Discrete Methods,1984
5. On a problem in graph theory;Erdös;Math. Gaz.,1963