An Elementary Treatise on the Calculus —— With Illustrations From Geometry, Mechanics and Physics

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ISBN: 9781440066238 出版年：2016 页码：478 George A Gibson Forgotten Books

With many of the arguments urged in favour of the change I am in hearty sympathy, but it is as true now as it was of old that there is no royal road to mathematics, and that no really useful knowledge can be gained except by strenuous effort.