| The radius of starlikeness, convexity and uniform convexity of the Legendre polynomials of odd degree S Bulut, O Engel Results in Mathematics 74 (1), 48, 2019 | 10 | 2019 |
| Some results concerning the Tremblay operator and some of its applications to certain analytic functions H Irmak, O Engel Acta Universitatis Sapientiae, Mathematica 11 (2), 296-305, 2019 | 8 | 2019 |
| On the composition of two starlike functions O Engel, R Szász Acta Univ. Apulensis 48, 47-53, 2016 | 3 | 2016 |
| Certain class of analytic functions with varying arguments defined by Salagean derivative ÁO Páll-Szabó, O Engel Proceedings of the 8th International Conference on Theory and Applications …, 2015 | 3 | 2015 |
| CHEBYSHEV POLYNOMIALS FOR CERTAIN SUBCLASS OF BAZILEVIĆ FUNCTIONS ASSOCIATED WITH RUSCHEWEYH DERIVATIVE ARS JUMA, SN AL-KHAFAJI, O ENGEL Kragujevac Journal of Mathematics 45 (2), 173-180, 2021 | 2 | 2021 |
| About the radius of convexity of some analytic functions O ENGEL, PA Kupán, ÁO Páll-Szabo Creat. Math. Inform 24 (2), 155-161, 2015 | 2 | 2015 |
| Certain properties of the generalized Mittag-Leffler function YL Chung, O Engel Electronic Journal of Mathematical Analysis and Applications 6 (2), 288-294, 2018 | 1 | 2018 |
| The radius of convexity of particular functions and applications to the study of a second order differential inequality O Engel, ÁO Páll-Szabó Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences …, 2017 | 1 | 2017 |
| Certain class of analytic functions with varying arguments defined by the convolution of Salagean and Ruscheweyh derivative AO Páll-Szabó, O Engel, E Szatmári Acta Universitatis Apulensis 51, 61-74, 2017 | 1 | 2017 |
| On a subclass of convex functions O Engel, R Szász Studia Universitatis Babes-Bolyai, Mathematica 61 (2), 2016 | 1 | 2016 |
| Theorems regarding starlikeness and convexity. LI Cotîrlă, O Engel, R Szász Studia Universitatis Babes-Bolyai, Mathematica 68 (3), 2023 | | 2023 |
| The sharp version of a strongly starlikeness condition O Engel, ARS Juma Acta Universitatis Sapientiae, Mathematica 9 (2), 283-290, 2017 | | 2017 |
| PRESERVING PROPERTIES OF THE GENERALIZED BERNARDI-LIBERA-LIVINGSTON INTEGRAL OPERATOR DEFINED ON SOME SUBCLASSES OF STARLIKE FUNCTIONS O ENGEL, OA PALL-SZABO Konuralp Journal of Mathematics 5 (2), 207-215, 2016 | | 2016 |
| Preserving properties of the generalized Bernardi integral operator defined on a class of analytic functions with varying arguments M Acu, O Engel, R Szász | | 2016 |
| ABOUT A GENERALIZED CLASS OF CLOSE-TO-CONVEX FUNCTIONS DEFINED BY THE q-DIFFERENCE OPERATOR O ENGEL, C NAICU Acta Marisiensis. Seria Technologica 13 (1), 30, 2016 | | 2016 |
| About a Class of Analytic Functions Defined by Noor-Salagean Integral Operator O Engel, YL Chung Journal of Mathematics and Applications 39 (1), 59-67, 2016 | | 2016 |
| Properties of certain class of analytic functions with varying arguments defined by Ruscheweyh derivative AO Páll-Szabó, O Engel Acta Universitatis Sapientiae, Mathematica 7 (2), 278-286, 2015 | | 2015 |
| About a Class of Analytic Functions Defined by Noor-Salagean Integral Operator O Engel, YL Chung | | |
| On a class of analytic functions defined by the Salagean integral operator O Engel, R Szász | | |
| Preserving properties of the generalized Bernardi-Libera-Livingston integral operator defined on some subclasses of starlike functions R Szász, V Ravichandran, O Engel | | |
