1. M. Abbas, D. Ilic, Common fixed points of generalized almost nonexpansive mappings, Filomat, 24 (2010), 11-18.
2. I. A. Bakhtin, The contraction mapping principle in almost metric spaces, In: Functional Analysis , 30 (1989), 26-34.
3. V. Berinde, Approximating fixed points of weak Phi -contractions using the Picard iteration, Fixed Point Theory, 4 (2003), 131-142.
4. V. Berinde,General constructive fixed point theorems for Ciric type almost contractions in metric spaces, Carpathian J. Math., 24 (2008), 1-19.
5. A. Branciari, A fixed point theorem of Banach--Caccioppoli type on a class of generalized metric spaces, Publ. Math. Debrecen, 57 (2000), 31-37.