On a parabolic equation in a triangular domain. - Rabah Labbas; Ahmed Medeghri; Boubaker-Khaled Sadallah (Appl. Math. Comput., 2002)

Singularities in boundary value problems for an abstract second-order differential equation of elliptic type. - Rabah Labbas; Stéphane Maingot (Appl. Math. Comput., 2004)

On a degenerate parabolic problem in Hölder spaces. - Tarik Berroug; Hua Ding; Rabah Labbas; Boubaker-Khaled Sadallah (Appl. Math. Comput., 2005)

Study of boundary value and transmission problems in the Hölder spaces. - Omar Belhamiti; Rabah Labbas; Keddour Lemrabet; Ahmed Medeghri (Appl. Math. Comput., 2008)