Spectral properties of even order derivative operators. Sadallah, Boubaker-Khaled — 2003 Applied Mathematics E-Notes [electronic only]
A remark on a parabolic problem in a sectorial domain. Sadallah, Boubaker-Khaled — 2008 Applied Mathematics E-Notes [electronic only]
Parabolic equations with robin type boundary conditions in a non-rectangular domain. Kheloufi, Arezki; Sadallah, Boubaker-Khaled — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
An L p -approach for the study of degenerate parabolic equations. Labbas, Rabah; Medeghri, Ahmed; Sadallah, Boubaker-Khaled — 2005 Electronic Journal of Differential Equations (EJDE) [electronic only]
Study of a complete abstract differential equation of elliptic type with variable operator coefficients, I. Angelo Favini; Rabah Labbas; Keddour Lemrabet; Boubaker-Khaled Sadallah — 2008 Revista Matemática Complutense