TY - JOUR AU - Gradimir V. Milovanović AU - Abdullah Mir AU - Abrar Ahmad TI - Certain Estimates of Turán's-type For the Maximum Modulus of the Polar Derivative of a Polynomial JO - Publications de l'Institut Mathématique PY - 2020 SP - 121 VL - _N_S_108 IS - 122 UR - http://geodesic.mathdoc.fr/articles/10.2298/PIM2022121M/ DO - 10.2298/PIM2022121M LA - en ID - 10_2298_PIM2022121M ER -