Study of the limit of transmission problems in a thin layer by the sum theory of linear operators. Angelo Favini; Rabah Labbas; Keddour Lemrabet; Stéphane Maingot — 2005 Revista Matemática Complutense
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