1. Démonstration du théoréme de Weierstrass fondée sur le calcul des probabilités;Bernstein;Commun. Soc. Math. Kharkow,1912
2. Generalization of S. Bernstein’s polynomials to the infinite interval;Szasz;J. Res. Nat. Bur. Stand.,1950
3. Quantum Calculus;Kac,2002
4. T. Ernst, The history of q-calculus and a new method, U.U.D.M Report 2000, 16, Department of Mathematics, Upsala University, ISSN 1101-3591, 2000.
5. A. Lupas, A q-analogue of the Bernstein operators, University of Cluj-Napoca, Seminar on numerical and statistical calculus 9, 1987, pp. 85–92.