Rings whose class of projective modules is socle fine. A. Idelhadj; E. A. Kaidi; D. Martín Barquero; C. Martín González — 2004 Publicacions Matemàtiques
On some properties of ⊕ -supplemented modules. Idelhadj, A.; Tribak, R. — 2003 International Journal of Mathematics and Mathematical Sciences