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"Even and Odd Pairs in Comparability and in P4-comparability Graphs."
Celina M. H. de Figueiredo et al. (1999)
- Celina M. H. de Figueiredo, John G. Gimbel, Célia Picinin de Mello, Jayme Luiz Szwarcfiter:
Even and Odd Pairs in Comparability and in P4-comparability Graphs. Discret. Appl. Math. 91(1-3): 293-297 (1999)
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