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Lua i Stíl Chicago (17ú heag.)Brumfiel, Gregory W. Partially Ordered Rings and Semi-algebraic Geometry. Cambridge: Cambridge University, 1979.
Lua MLA (9ú heag.)Brumfiel, Gregory W. Partially Ordered Rings and Semi-algebraic Geometry. Cambridge University, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.