Erençin, A., G. Bașcanbaz-Tunca, and F. Tașdelen. “Some Properties of the Operators Defined by Lupaș”. Rev. Anal. Numér. Théor. Approx., vol. 43, no. 2, Aug. 2014, pp. 168-74, doi:10.33993/jnaat432-1027.