References
- J. Cyman, Total outer-connected domination in trees, Manuscript.
- T.W. Haynes, S.T. Hedetniemi and P.J. Slater, Fundamentals of Domination in Graphs, New York, Marcel Dekker 1997.
- T.W. Haynes, S.T. Hedetniemi and P.J. Slater, Domination in Graphs: Advanced Topics, New York: Marcel Dekker 1997.