1. Katarina S. Đorđević, Jelena V. Manojlović, Existence and Asymptotic Behavior of Intermediate Type of Positive Solutions of Fourth-Order Nonlinear Differential Equations, Filomat 33:13 (2019), 4185-4211
2. Katarina S. Kostadinov, Jelena V. Manojlović, Existence of positive strongly decaying solutions of second order nonlinear q difference equations, Journal of Difference Equations and Applications (2020), Volume 26, Issue 6, 729-752
3. Katarina S. Đorđević, Asymptotic formulas for q-regularly varying solutions of half-linear q-difference equations, Electronic Journal of Differential Equations, Vol. 2021 (2021), No. 50, pp. 1-23.
4. Katarina S. Đorđević, Jelena V. Manojlović, q-regular variation and the existence of solutions of half-linear q-difference equation, Mathematical Methods in the Applied Sciences (2021), In press, Article ID: MMA_7570, Article DOI: 10.1002/MMA.7570
1. Katarina S. Kostadinov, q-regular variation and asymptotic analysis of Emden-Fowler type second order q-difference equations, Susret matematičara Srbije i Crne Gore, SMSCG 2019, 11 - 14. oktobar 2019., Budva
2. Katarina S. Djordjević, q-regularly varying solutions of the half-linear q-difference equation, 26th International Conference on Difference Equations and Applications – ICDEA 2021, 26 - 30. jul 2021., Sarajevo
1. Katarina S. Kostadinov, Existence and asymptotic behavior of q-regularly varying solutions of nonlinear second order q-difference Thomas-Fermi equation, Kongres mladih matematičara u Novom Sadu, 03-05. oktobar 2019., Novi Sad