Z. Ben Yahia, Z. Zine El Abidine, “An Existence Result for a Class of Coupled Polyharmonic Systems”, Contemporary Mathematics, 2:4 (2021), 304–318
H. Mâagli, Z. Zine El Abidine, “Existence and asymptotic behavior of positive solutions for a semilinear polyharmonic coupled system in the unit ball”, Complex Variables and Elliptic Equations, 62:11 (2017), 1665–1685
H. Mâagli, Z. Zine El Abidine, “Positive bounded solutions for nonlinear polyharmonic problem in the unit ball”, Analele Stiintifice ale Universitatii Ovidius din Constanta, 25:3 (2017), 143–153
Z. Zine El Abidine, “Combined effects in a semilinear polyharmonic problem in the unit ball”, Acta Mathematica Scientia, 2014, 34B, no. 5, 1404–1416
A. Dhifli, Z. Zine El Abidine, “Asymptotic behavior of positive solutions of a semilinear polyharmonic problem in the unit ball”, Nonlinear Analysis, 75:2 (2012), 625–636
Z. Zine El Abidine, “On the existence of positive continuous solutions for some polyharmonic elliptic systems on the half space”, Opuscula Mathematica, 32:1 (2012), 91–113
S. Gontara, Z. Zine El Abidine, “Existence of positive bounded solutions for some nonlinear polyharmonic elliptic systems”, Electronic Journal of Differential Equations, 2010:113 (2010), 1–18
S. Belkahla, Z. Zine El Abidine, “A coupled system of Sturm–Liouville differential equations”, Матем. заметки, 117:2 (2025), 181–194
2.
I. Ben Saad, S. Turki, Z. Zine El Abidine, “Existence and Boundary Behavior of Positive Solutions for a Coupled Fractional System”, International Journal of Dynamical Systems and Differential Equations, 12:3 (2022), 215–233
3.
S. Belkahla, Z. Zine El Abidine, “Sharp Asymptotic Analysis of Positive Solutions of a Combined Sturm-Liouville Problem”, Matematicki Vesnik, 2022, 1–13 (Published online)
4.
H. Mâagli, Z. Zine El Abidine, “Existence and Asymptotic Behavior of Positive Solutions of a Semilinear Dirichlet System in Exterior Domains”, Contemporary Mathematics, 2:1 (2021), 37–76
5.
Z. Ben Yahia, Z. Zine El Abidine, “An Existence Result for a Class of Coupled Polyharmonic Systems”, Contemporary Mathematics, 2:4 (2021), 304–318
6.
S. Ben Makhlouf, M. Chaieb, Z. Zine El Abidine, “Existence and a symptotic behavior of positive solutions for a coupled fractional differential system”, Differential Equations and Dynamical Systems, 28:4 (2020), 953–998
7.
H. Mâagli, Z. Zine El Abidine, “Asymptotic behavior of positive solutions of a semilinear Dirichlet problem in exterior domains”, Electronic Journal of Differential Equations, 2018:137 (2018), 1–14
8.
H. Alfifi, I. Ben Saad, S. Turki, Z. Zine El Abidine, “Existence and asymptotic behavior of positive solutions for a coupled system of semilinear fractional differential equations”, Results in Mathematics, 71:3 (2017), 705–730
H. Mâagli, Z. Zine El Abidine, “Existence and asymptotic behavior of positive solutions for a semilinear polyharmonic coupled system in the unit ball”, Complex Variables and Elliptic Equations, 62:11 (2017), 1665–1685
10.
H. Mâagli, Z. Zine El Abidine, “Positive bounded solutions for nonlinear polyharmonic problem in the unit ball”, Analele Stiintifice ale Universitatii Ovidius din Constanta, 25:3 (2017), 143–153
11.
Z. Zine El Abidine, “Multiple positive solutions for a coupled system of nonlinear fractional differential equations on the half-line”, Mediterranean Journal of Mathematics, 14 (2017), 1–18
I. Bachar, H. Mâagli, F. Toumi, Z. Zine El Abidine, “Existence and global asymptotic behavior of positive solutions for sublinear and superlinear fractional boundary value problems”, Chinese Annals of Mathematics, 37:1 (2016), 1–28
F. Toumi, Z. Zine El Abidine, “Existence of multiple positive solutions for nonlinear fractional boundary value problems on the half-line”, Mediterranean Journal of Mathematics, 13 (2016), 2353–2364
Z. Zine El Abidine, “Combined effects in a semilinear polyharmonic problem in the unit ball”, Acta Mathematica Scientia, 2014, 34B, no. 5, 1404–1416
15.
H. Mâagli, S. Turki, Z. Zine El Abidine, “Asymptotic behavior of positive solutions of a semilinear Dirichlet problem outside the unit ball”, Electronic Journal of Differential Equations, 2013:95 (2013), 1–14
16.
A. Dhifli, Z. Zine El Abidine, “On the existence of positive solutions of nonlinear Dirichlet problems for the fractional Laplacian in the half space”, Journal of Abstract Differential Equations and Applications, 4:1 (2013), 67–92
17.
S. Dridi, B. Khamessi, S. Turki, Z. Zine El Abidine, “Asymptotic behavior of positive solutions of a semilinear Dirichlet problem”, Nonlinear Studies, 22:1 (2012), 87–103
18.
A. Dhifli, Z. Zine El Abidine, “Asymptotic behavior of positive solutions of a semilinear polyharmonic problem in the unit ball”, Nonlinear Analysis, 75:2 (2012), 625–636
19.
Z. Zine El Abidine, “On the existence of positive continuous solutions for some polyharmonic elliptic systems on the half space”, Opuscula Mathematica, 32:1 (2012), 91–113
20.
S. Gontara, Z. Zine El Abidine, “Existence of positive bounded solutions for some nonlinear polyharmonic elliptic systems”, Electronic Journal of Differential Equations, 2010:113 (2010), 1–18;