Asymptotic expansion of multivariate Kantorovich type operators. - Antonio-Jesús López-Moreno; Francisco-Javier Muñoz-Delgado (Numer. Algorithms, 2005)

Shape preserving approximation by Bernstein-type operators which fix polynomials. - D. Cárdenas-Morales; P. Garrancho; Francisco-Javier Muñoz-Delgado (Appl. Math. Comput., 2006)

Some remarks on Hölder approximation by Bernstein polynomials. - D. Cárdenas-Morales; M. A. Jiménez-Pozo; Francisco-Javier Muñoz-Delgado (Appl. Math. Lett., 2006)

Improving certain Bernstein-type approximation processes. - D. Cárdenas-Morales; Francisco-Javier Muñoz-Delgado (Math. Comput. Simul., 2008)