Boussaid A, Lombarkia F. HERIMITIAN SOLUTIONS TO THE EQUATION AXA+ BY B= C, FOR HILBERT SPACE OPERATORS. 2021.

Amina H, Maissa K. Maximization of the Stability Radius of an Infinite Dimensional System Subjected to Stochastic Unbounded Structured Multi-perturbations With Unbounded Input Operator. 2021 International Conference on Recent Advances in Mathematics and Informatics (ICRAMI). 2021 :1-5.

Mennouni A, Ramdani NE, Zennir K. A new class of fredholm integral equations of the second kind with non symmetric kernel: solving by wavelets method. Boletim da Sociedade Paranaense de Matemática. 2021;39 (6) :67-80.

Lombarkia F, Boussaid A. Operator equations and inner inverses of elementary operators. Linear and Multilinear Algebra. 2021;69 (11) :1989-1996.

Amira K, Maissa K. Robust Stabilization of Infinite Dimensional Systems Subjected to Stochastic and Deterministic Perturbations. 2021 International Conference on Recent Advances in Mathematics and Informatics (ICRAMI). 2021 :1-4.

Kara A, Guedjiba S. Some representations of moore-penrose inverse for the sum of two operators and the extension of the fill-fishkind formula. Numerical Algebra, Control & Optimization. 2021.

Ghecham W, Rebiai S‐E, Sidiali FZ. Stability of the transmission plate equation with a delay term in the moment feedback control. Mathematical Methods in the Applied Sciences. 2021;44 (9) :7676-7692.

Amina H, Maissa K. The stability radius of an infinite dimensional system subjected to stochastic unbounded structured multi-perturbations with application. International Conference on Research in Applied Mathematics and Computer Science. 2021;2021.

Ghecham W, Rebiai S-eddine, Sidiali FZ. Stabilization of coupled wave equations with boundary or internal distributed delay. Applicable Analysis. 2021;100 (14) :3096-3115.

Ghecham W, Rebiai S-eddine, Sidiali FZ. Stabilization of the wave equation with a nonlinear delay term in the boundary conditions. Journal of Applied Analysis. 2021.