On Properties of a Domain for Which Any Derived Set is Closed

Autor:	Hedrick, Earle Raymond
Zdroj:	Transactions of the American Mathematical Society, 1911 Jul 01. 12(3), 285-294.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1988667 Zobrazit plný text záznamu