1. A lattice characterization of completely regular Gδ–spaces;Anderson;Proc. Amer. Math. Soc.,1955
2. Lattice theory;Birkhoff,1948
3. On rings of continuous functions on topological spaces;Gel’fand;CR (Doklady) URSS.,1939
4. Rings of continuous functions;Gillman,1960
5. On the ideal structure of certain semirings and compactification of topological spaces;Horne;Trans. Amer. Math. Soc.,1959