1. A topology for spaces of transformations;Arens, Richard F.;Ann. of Math. (2),1946
2. The space 𝐿^{𝜔} and convex topological rings;Arens, Richard;Bull. Amer. Math. Soc.,1946
3. A note on topological groups;Birkhoff, Garrett;Compositio Math.,1936
4. Normierte Ringe;Gelfand, I.;Rec. Math. [Mat. Sbornik] N. S.,1941
5. Structure theory for algebraic algebras of bounded degree;Jacobson, N.;Ann. of Math. (2),1945