Weyl, H., & Helmer, O. (2009). Philosophy of mathematics and natural science. Princeton.
シカゴスタイル引用形Weyl, Hermann, , Olaf Helmer. Philosophy of Mathematics and Natural Science. New Jersey: Princeton, 2009.
MLA引用形式Weyl, Hermann, , Olaf Helmer. Philosophy of Mathematics and Natural Science. Princeton, 2009.
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