1. S. Agmon, Functions of exponential type in an angle and singularities of Taylor series,Trans. Amer. Math. Soc. 70, 492–508 (1951).
2. N. I. Ahiezer, On entire transcendental functions of finite degree having a majorant on a sequence of real points (in Russian),Isvestiya Akad. Nauk SSSR. Ser. Mat. 16, 353–364 (1952).
3. S. Bernstein, Sur une propriété des fonctions entières,C. R. Acad. Sci. Paris 176, 1603–1605 (1923).
4. V. Bernstein, Leçons sur les progrès récents de la théorie des séries de Dirichlet, Paris, 1933.
5. R. P. Boas, Jr., The growth of analytic functions,Duke Math. J. 13, 471–481 (1946).