Richard Courant. (2013). What is mathematics: An elementary approach to ideas and methods (2.). Oxford university press.
Chicago Edition CitationRichard Courant. What Is Mathematics: An Elementary Approach to Ideas and Methods. 2. New Delhi: Oxford university press, 2013.
MLA Edition CitationRichard Courant. What Is Mathematics: An Elementary Approach to Ideas and Methods. 2. Oxford university press, 2013.
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