Best Multiplier Approximation of Unbounded Periodic Functions in L_(p,∅_n ) (B),B=[0,2π] Using Discrete Linear Positive Operators. Baghdad Sci.J [Internet]. 2020 Sep. 1 [cited 2025 Jun. 5];17(3):0882. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2966