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2. Perfectly relating the domination, total domination, and paired domination numbers of a graph;Alvarado;Discrete Math.,2015
3. Färbung von Graphen, deren sämtliche bzw. deren ungerade Kreise starr sind;Berge;Wiss. Z. Martin-Luther-Univ. Halle Wittwnber Math-Natur. Reih.,1961
4. Theory of Graphs and its Applications;Berge,1962
5. Perfect Graphs;Berge,1963