Brumfiel, G. Partially ordered rings and semi algebraic geometry. London Mathematical society.
استشهاد بنمط شيكاغوBrumfiel, G.W. Partially Ordered Rings and Semi Algebraic Geometry. London: London Mathematical society.
MLA استشهادBrumfiel, G.W. Partially Ordered Rings and Semi Algebraic Geometry. London Mathematical society.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.