On the Differentiability of Arbitrary Real-Valued Set Functions

Autor:	Wright, Harvel, Snyder, W. S.
Zdroj:	Transactions of the American Mathematical Society, 1969 Nov 01. 145, 439-454.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1995079 Zobrazit plný text záznamu