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https://www.springer.com/de/book/9783319641096 https://www.springer.com/de/book/9783319641096 The Mathematical-Function…
https://www.springer.com/de/book/9783319641096 https://www.springer.com/de/book/9783319641096 The Mathematical-Function…
https://books.google.de/books?id=OjUyDwAAQBAJ&pg=PA393&lpg=PA393&dq=NaN+return+(x-x)/(x-x);&source=bl... https://books.google.de…