1. Beta-type operators preserve shape properties;Adell;Stochastic Process. Appl.,1993
2. On the property of monotonic convergence for Beta operators;Adell;J. Approx. Theory,1996
3. Using stochastic processes for studying Bernstein-type operators;Adell,1992
4. Lototsky–Schnabl operators on the unit interval;Altomare;C. R. Acad. Sci. Paris, Sér. I,1991
5. Lototsky–Schnabl operators on the unit interval and degenerate diffusion equations;Altomare,1992