The Operator S(a,b;θ_x ) for the Polynomials Z_n (x,y,a,b;q). Iraqi Journal of Science [Internet]. 2022 Oct. 30 [cited 2024 May 3];63(10):4397-409. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5477