COROIANU, Lucian, and Sorin G. GAL. 2019. “Approximation by Max-Product Operators of Kantorovich Type: Dedicated to Professor Heiner Gonska on the Occasion of His 70th Anniversary”. Studia Universitatis Babeș-Bolyai Mathematica 64 (2):207–223. https://doi.org/10.24193/subbmath.2019.2.07.