1. Arens R, The spaceL
w and convex topological rings,Bull. Am. Math. Soc.
52 (1946) 931–935
2. Bhatt S J, Representability of positive functionals on abstract star algebras without identity with application to locally convex *algebras,Yokohama Math. J.
29 (1981) 7–16
3. Bhatt S J, On spectra and numerical ranges in locallym-convex algebras,Indian J. Pure Appl. Math.
14 (1983) 596–603
4. Bhatt S J, Köthe sequence algebras I,J. Ramanujan Math. Soc.
6 (1991) 167–183
5. Bhatt S J and Deheri G M, Köthe spaces and topological algebras with basis,Proc. Indian Acad. Sci. (Math. Sci.)100 (1990) 259–273