%0 Journal Article %T Sure operations dans les ensembles abstraits et leur application aux equations integrales %A S. Banach %J Fund. Math. %D 1922 %V 3 %F Banach1922 %0 Journal Article %T A generalization of a fixed point theorem of Reich %A G. E. Hardy %A T. D. Rogers %J Canad. Math. Bull. %D 1973 %V 16 %F Hardy1973 %0 Journal Article %T Multi-valued contraction mappings %A N.B. Nadler Jr. %J Pacific J. Math. %D 1969 %V 30 %F Jr.1969 %0 Journal Article %T Kannan's fixed point theorem %A S. Reich %J Boll. Un. Mat. Ital. %D 1971 %V 4 %F Reich1971 %0 Journal Article %T Fixed points of contractive functions %A S. Reich %J Boll. Un. Mat. Ital. %D 1972 %V 5 %F Reich1972 %0 Book %T Generalized Contractions and Applications %A I. A. Rus %D 2001 %I Cluj Univercity Press %C Cluj-Nappa %F Rus2001