Acu, Ana Maria, Alexandra-Ioana Măduţa, and Ioan Rasa. “Voronovskaya Type Results and Operators fixing Two Functions”. Mathematical Modelling and Analysis 26, no. 3 (July 13, 2021): 395-410. Accessed July 3, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/13228.