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3. Une minoration du nombre de quadrangles unicolores et son application à la majoration des nombres de Ramsey binaires-bicolores;Giraud;C.R. Acad. Sci. Paris Sér. A,1973
4. Majoration du nombre de Ramsey ternaire-bicolore en (4, 4);Giraud;C.R. Acad. Sci. Paris Sér.,1969
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