1. G. Birkhoff, Lattice theory, rev. ed., Amer. Math. Soc. Colloquium Publications, vol. 25, 1949.
2. On bicompact spaces;Čech, Eduard;Ann. of Math. (2),1937
3. Über das System aller stetigen Funktionen auf einem topologischen Raum;Nakano, Hidegorô;Proc. Imp. Acad. Tokyo,1941
4. Applications of the theory of Boolean rings to general topology;Stone, M. H.;Trans. Amer. Math. Soc.,1937
5. A general theory of spectra. I;Stone, M. H.;Proc. Nat. Acad. Sci. U.S.A.,1940