1. A trigonometric moment problem;Boas, R. P., Jr.;J. London Math. Soc.,1939
2. Entire functions bounded on a line;Boas, R. P., Jr.;Duke Math. J.,1940
3. A general moment problem;Boas, R. P., Jr.;Amer. J. Math.,1941
4. A class of sequences of functions;Bourgin, D. G.;Trans. Amer. Math. Soc.,1946
5. Some notes on an expansion theorem of Paley and Wiener;Duffin, R. J.;Bull. Amer. Math. Soc.,1942