| On a generalization of the sine function T Szostok Glasnik matematički 38 (1), 29-44, 2003 | 28 | 2003 |
| Ohlin’s lemma and some inequalities of the Hermite–Hadamard type T Szostok Aequationes mathematicae 89, 915-926, 2015 | 20 | 2015 |
| Inequalities of the Hermite–Hadamard type involving numerical differentiation formulas A Olbryś, T Szostok Results in Mathematics 67, 403-416, 2015 | 18 | 2015 |
| On some functional equations connected to Hadamard inequalities B Koclega-Kulpa, T Szostok Aequationes mathematicae 1 (75), 119-129, 2008 | 15 | 2008 |
| On a functional equation related to distributivity of fuzzy implications M Baczyński, T Szostok, W Niemyska 2013 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), 1-5, 2013 | 12 | 2013 |
| On functional equations connected with quadrature rules B Koclęga-Kulpa, T Szostok, S Wąsowicz Walter de Gruyter GmbH & Co. KG 16 (4), 725-736, 2009 | 11 | 2009 |
| Alienation of two general linear functional equations T Szostok Aequationes mathematicae 94 (2), 287-301, 2020 | 10 | 2020 |
| Inequalities of Hermite-Hadamard type for higher order convex functions, revisited. T Szostok Communications on Pure & Applied Analysis 20 (2), 2021 | 9 | 2021 |
| On a functional equation connected to the distributivity of fuzzy implications over triangular norms and conorms M Baczyński, T Szostok, W Niemyska Kybernetika 50 (5), 679-695, 2014 | 9 | 2014 |
| On a functional equation connected to Gauss quadrature rule B Koclęga-Kulpa, T Szostok | 9 | 2008 |
| Functional equations stemming from numerical analysis T Szostok | 8 | 2015 |
| On the stability of the equation stemming from Lagrange MVT T Szostok, S Wąsowicz Applied mathematics letters 24 (4), 541-544, 2011 | 8 | 2011 |
| On a class of equations stemming from various quadrature rules B Koclega-Kulpa, T Szostok Acta Mathematica Hungarica 130 (4), 340-348, 2011 | 8 | 2011 |
| Levin Steckin theorem and inequalities of the Hermite-Hadamard type T Szostok arXiv preprint arXiv:1411.7708, 2014 | 7 | 2014 |
| Some functional equations characterizing polynomials B Koclęga-Kulpa, T Szostok, S Wąsowicz Tatra Mountains Mathematical Publications 44 (1), 27-40, 2009 | 7 | 2009 |
| On some equations stemming from quadrature rules B Koclęga-Kulpa, T Szostak, S Wąsowicz | 6 | 2009 |
| On a new class of functional equations satisfied by polynomial functions T Nadhomi, CP Okeke, M Sablik, T Szostok Aequationes mathematicae, 1-23, 2021 | 5 | 2021 |
| Functional inequalities involving numerical differentiation formulas of order two T Szostok Bulletin of the Malaysian Mathematical Sciences Society 41, 2053-2066, 2018 | 5 | 2018 |
| Modified version of Jensen equation and orthogonal additivity T Szostok Publ. Math. Debrecen 58 (3), 491-504, 2001 | 5 | 2001 |
| On a modified version of Jensen inequality. T Szostok Journal of Inequalities and Applications [electronic only] 4, 331-347, 1999 | 5 | 1999 |
