1. On convergence of linear positive operators in the space of continuous functions (Russian);Korovkin;Doklady Akad. Nauk. SSSR (NS),1953
2. Bernstein power series;Cheney;Canad. J. Math.,1964
3. Bernsteinsche Potenzreihen (German);Meyer-König;Studia Math.,1960
4. Generalization of S. Bernstein’s polynomials to the infinite interval;Szász;J. Res. Nat. Bur. Standards,1950
5. Classical and Quantum Orthogonal Polynomials in One Variable;Ismail,2005