Veblen, O., & Whitehead, J. H. C. (1960). The foundations of differential geometry. Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleVeblen, Oswald, and J. H. C. Whitehead. The Foundations of Differential Geometry. Cambridge: Cambridge University Press, 1960.
Παραπομπή MLAVeblen, Oswald, and J. H. C. Whitehead. The Foundations of Differential Geometry. Cambridge: Cambridge University Press, 1960.
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