1. A note on the total domination vertex critical graphs;Chen;Ars Combin.,2008
2. Total domination in graphs;Cockayne;Networks,1980
3. The diameter of total domination vertex critical graphs;Goddard;Discrete Math.,2004
4. A note on extremal total domination edge critical graphs;Hanson;Util. Math.,2003
5. Double domination in graphs;Harary;Ars Combin.,2000