1. Samet B, Vetro C, Vetro P: Fixed point theorems for α - ψ -contractive type mappings. Nonlinear Anal. 2012, 75: 2154-2165. 10.1016/j.na.2011.10.014
2. Ali MU, Kamran T:On "Equation missing" No EquationSource Format="TEX", only image and EquationSource Format="MATHML" -contractive multi-valued mappings. Fixed Point Theory Appl. 2013. Article ID 137, 2013: Article ID 137
3. Jleli M, Karapınar E, Samet B: Best proximity points for generalized α - ψ -proximal contractive type mappings. J. Appl. Math. 2013. Article ID 534127, 2013: Article ID 534127
4. Jleli M, Karapınar E, Samet B: Fixed point results for α - "Equation missing" No EquationSource Format="TEX", only image and EquationSource Format="MATHML" contractions on gauge spaces and applications. Abstr. Appl. Anal. 2013. Article ID 730825, 2013: Article ID 730825
5. Karapınar E:Discussion on "Equation missing" No EquationSource Format="TEX", only image and EquationSource Format="MATHML" contractions on generalized metric spaces. Abstr. Appl. Anal. 2014. Article ID 962784, 2014: Article ID 962784