scientific article published in 1941

book by Ralph Philip Boas

scientific article published in 1939

scientific article published in 1949

article

scientific article published in 1938

scientific article published in April 1947

scientific article published in 1940

scientific article published in 1940

scientific article published in 1945

scientific article published in 1942

scientific article published in 1939

scholarly article by H. P. Boas & R. P. Boas published April 1988 in Proceedings of the American Mathematical Society

scientific article published in 1940

scientific article published in 1978

doctoral dissertation by Ralph P. Boas

scientific article published in 1948

scientific article

scientific article published in 1957