@article{wang_xu_2010,  title={A kind of Bernoulli-type quasi-interpolation operator with univariate multiquadrics},  volume={29},  ISSN={1807-0302},  url={https://doi.org/10.1590/S1807-03022010000100004},  DOI={10.1590/S1807-03022010000100004},  number={1},  journal={Computational & Applied Mathematics},  publisher={Sociedade Brasileira de Matemática Aplicada e Computacional},  author={Wang, Ren-Hong and Xu, Min},  year={2010},  pages={47–60} }