Generalization of the classical derivative and analogue of the differentiation operator as a toolset for studying the differential properties of functions von Osaulenko, R.Yu., Осауленко, Р.Ю., Осауленко, Р.Ю.

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Generalization of the classical derivative function at a point and its application von Osaulenko, R.Yu., Осауленко, Р.Ю., Осауленко, Р.Ю.

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A group of continuous transformations of a region $[0; 1]$ that preserve the frequency of the digits in $Q_s$-representation of a number von Osaulenko, R. Yu., Осауленко, Р. Ю., Осауленко, Р. Ю.

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