Stone, Marshall H. «Applications of the theory of Boolean rings to general topology». Trans. Amer. Soc.. Transactions of the American Mathematical Society, 41, 3, 1937, pàg. 375–481. DOI: 10.2307/1989788. JSTOR: 1989788.
Stone, Marshall H. «Applications of the theory of Boolean rings to general topology». Trans. Amer. Soc.. Transactions of the American Mathematical Society, 41, 3, 1937, pàg. 375–481. DOI: 10.2307/1989788. JSTOR: 1989788.