article published in 1953

scholarly article by John Lamperti & Walter Rudin published December 1967 in American Mathematical Monthly

scientific article (publication date: July 1964)

scientific article published in 1956

scientific article published in 1992

scientific article published in 1972

scientific article (publication date: March 1981)

article

scientific article published in December 1964

scientific article published in 1995

classic textbook written by Walter Rudin

scientific article published in 1974

Classic textbook written by Walter Rudin

scientific article published in 1959

scientific article published in 1982

scientific article published in 1959

scientific article published in 1960

doctoral dissertation by Walter Rudin

scientific article published in 1966

scientific article published in 1952