1. Leçons sur les propriétés extremales et la meilleure approximation des fonctions analytiques;Bernstein,1970
2. Entire Functions;Boas,1954
3. Signs of derivatives and analytic behavior;Boas;Amer. Math. Monthly,1971
4. Influence of the signs of the derivatives of a function on its analytic character;Boas;Duke Math. J.,1942
5. Final sets for operators on finite Fourier transforms;Boas;Houston Math. J.,1979