On common fixed point theorems of Meir and Keeler type. Bouhadjera, H.; Djoudi, A. — 2008 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
Common fixed point theorems for pairs of single and multivalued D -maps satisfying an integral type. Bouhadjera, H.; Djoudi, A. — 2008 Annales Mathematicae et Informaticae
A unique common fixed point theorem for occasionally weakly compatible maps. Bouhadjera, H.; Djoudi, A.; Fisher, B. — 2008 Surveys in Mathematics and its Applications