1. Rings of Continuous Functions;Aull,1985
2. A ring of analytic functions;Brooks;Studia Math.,1964
3. Groupes et Anneaux Réticulés;Bigard,1977
4. Rings with Hausdorff structure space;Gillman;Fund. Math.,1957
5. Concerning rings of continuous functions;Gillman;Trans. Amer. Math. Soc.,1954