Naimark, M. A. Normed rings/ by M.A. Naimark; translated from the 1st Russian ed. by Leo F. Boron. - Groningen: P. Noordhoff, 1959 [c1960]. - xvi, 560 p.: illus., 25 cm. Bibliography: p. 523-541. LCCN: 61004100 //r842 Subjects--Topical Terms: Banach algebras.Rings (Algebra) Dewey Class. No.: 512.815 / N157n