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1Livre
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2Livre
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3par Bari Ruth Aaronson, Harary Frank, Capital conference on graph theory and combinatorics
Springer 1974Livre -
4par Conference on graph theory
Academic Press 1973Livre -
5par Ann Arbor Graph theory Conference
Academic Press 1969Livre -
6par International symposium on combinatorial mathematics and its applications
North-Holland Publishing Company 1973Livre