Cajori, F. (1928). A History of mathematical notations. The Open Court Publishing Company.
Dyfyniad Arddull ChicagoCajori, Florian. A History of Mathematical Notations. La Salle, Illinois: The Open Court Publishing Company, 1928.
Dyfyniad MLACajori, Florian. A History of Mathematical Notations. The Open Court Publishing Company, 1928.
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