SĂLĂGEAN, Grigore Ștefan, and Ágnes Orsolya PÁLL-SZABÓ. 2020. “On a Certain Class of Harmonic Functions and the Generalized Bernardi-Libera-Livingston Integral Operator”. Studia Universitatis Babeș-Bolyai Mathematica 65 (3):365–371. https://doi.org/10.24193/subbmath.2020.3.05.