@article{Raşa_1988, title={On the monotonicity of sequences of Bernstein-Schnabl operators}, volume={17}, url={https://ictp.acad.ro/jnaat/journal/article/view/1988-vol17-no2-art12}, abstractNote={Not available.}, number={2}, journal={Anal. Numér. Théor. Approx.}, author={Raşa, I.}, year={1988}, month={Aug.}, pages={185–187} }