@article{Mulyava_Sheremeta_2012, title={Belonging to convergence classes of Hadamard compositions of Gelfond-Leont’ev derivatives for analytic functions}, volume={4}, url={https://journals.pnu.edu.ua/index.php/cmp/article/view/2471}, abstractNote={<p>The conditions are found, under which the belonging to Valiron convergence class of entire functions $f$ and $g$ implies the belonging to this class of Gelfond-Leont’ev derivative of Hadamard composition of functions $f$ and $g$ and of Hadamard composition of Gelfond-Leont’ev derivatives of these functions. Analogous problem is solved for analytic functions in the unit disk.</p>}, number={1}, journal={Carpathian Mathematical Publications}, author={MulyavaO.M. and SheremetaM.M.}, year={2012}, month={Jun.}, pages={111-115} }