On the extension of a functional inequality of S. Bernstein to non-analytic functions
Authors:
R. J. Duffin and A. C. Schaeffer
Journal:
Bull. Amer. Math. Soc. 46 (1940), 356-363
DOI:
https://doi.org/10.1090/S0002-9904-1940-07222-2
MathSciNet review:
0001256
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