Infinite Cyclic Normal Subgroups of Fundamental Groups of Noncompact 3- Manifolds

Autor:	Winters, Bobby Neal
Zdroj:	Proceedings of the American Mathematical Society, 1994 Mar 01. 120(3), 959-963.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2160492 Zobrazit plný text záznamu