___

• Alemany E. and Romaguera, S., On half-completion and bicompletion of quasi-metric spaces, Comment. Math. Univ. Carolin. 37(4), (1996), 749--756.
• Al-Homidan, S., Ansari, Q. H.and Yao, J. C., Some generalizations of Ekeland-type variational principle with applications to equilibrium problems and fixed point theory, Nonlinear Anal. 69(1), (2008), 126--139.
• Altun, I., Olgun M. and Mınak G., Classification of completeness of quasi metric space and some new fixed point results, Nonlinear Functional Analysis and Applications 22(2), (2017), 371--384.
• Altun, I., Mınak G. and Dağ H., Multivalued F-contractions on complete metric space, J. Nonlinear Convex Anal. 16(4), (2015), 659--666.
• Altun, I., Olgun M. and Mınak, G., A new approach to the Assad-Kirk fixed point theorem, J. Fixed Point Theory Appl. 18(1), (2016), 201--212.
• Altun, I., Olgun M. and Mınak G., On a new class of multivalued weakly Picard operators on complete metric spaces, Taiwanese J. Math. 19(3), (2015), 659--672.
• Ali M. U., Kamran T. and Shahzad N., Best proximity point for α-ψ-proximal contractive multimaps, Abstr. Appl. Anal. 2014 (2014), 6 pages.
• Alegre C., Marin J. and Romeguera S., A fixed point theorem for generalized contractions involving ω-distances on complete quasi-metric spaces, Fixed Point Theory Appl. 2014 (2014), 8 pages.
• Cobzaş, S., Completeness in quasi-metric spaces and Ekeland variational principle, Topology Appl. 158(2011), 1073--1084.
• Cobzaş, S., Functional analysis in asymmetric normed spaces, Springer, Basel, 2013.
• Cosentino M. and Vetro P., Fixed point results for F-contractive mappings of Hardy-Rogers-type, Filomat 28(4), (2014), 715--722.
• Durmaz G., Mınak G. and Altun I., Fixed point results for α-ψ-contractive mappings including almost contractions and applications, Abst. Appl. Anal. 2014 (2014), 10 pages.
• Gaba Y. U., Startpoints and (α-γ)-contractions in quasi-pseudometric spaces, J. Math. 2014 (2014), 8 pages.
• Hussain N., Karapınar E., Salimi P. and Akbar F., α-admissible mappings and related fixed point theorems, J. Inequal. Appl. 2013 (2013), 11 pages.
• Hussain N., Vetro C. and Vetro F., Fixed point results for α-implicit contractions with application to integral equations, Nonlinear Anal. Model. Control 21 (2016), 362--378.
• Kelly, J. C., Bitopological spaces, Proc. London Math. Soc. 13 (1963), 71--89.
• Künzi, H. P. A., Nonsymmetric distances and their associated topologies: about the origins of basic ideas in the area of asymmetric topology. In: Aull, CE, Lowen, R (eds.) Handbook of the History of General Topology, (3) (2001), 853--968.
• Künzi H. P. A. and Vajner V., Weighted quasi-metrics, Ann. New York Acad. Sci. 728 (1994), 64--67.
• Karapınar E. and Samet B., Generalized α-ψ-contractive type mappings and related fixed point theorems with applications, Abstr. Appl. Anal. 2012 (2012), 17 pages.
• Kumam P., Vetro C. and Vetro F., Fixed points for weak α-ψ-contractions in partial metric spaces, Abstr. Appl. Anal. 2013 (2013), 9 pages.
• Latif A. and Al-Mezel S. A., Fixed point results in quasimetric spaces, Fixed Point Theory Appl. 2011 (2011), 8 pages.
• Mınak G., Helvacı A. and Altun I., Generalized Ciric type F-contractions on complete metric spaces and fixed point results, Filomat 28:6 (2014), 1143--1151.
• Marin J., Romeguera S. and Tirado P., Weakly contractive multivalued maps and ω-distances on complete quasi-metric spaces, Fixed Point Theory Appl. 2011 (2011), 9 pages.
• Marin, J., Romeguera, S. and Tirado, P., Generalized contractive set-valued maps on complete preordered quasi-metric spaces, J. Funct. Spaces Appl. 2013 (2013), 6 pages.
• Reilly I. L., Subrahmanyam P. V. and Vamanamurthy M. K., Cauchy sequences in quasi- pseudo-metric spaces, Monatsh. Math. 93 (1982), 127--140.
• Sgrio M. and Vetro C., Multi-valued F-contractions and the solution of certain functional and integral equations, Filomat 27(7), (2013), 1259--1268.
• Samet B., Vetro C. and Vetro P., Fixed point theorems for α-ψ-contractive type mappings, Nonlinear Anal. 75 (2012), 2154--2165.
• Şimşek H. and Altun I., Two type quasi-contractions on quasi metric spaces and some fixed point results, J. Nonlinear Sci. Appl. 10 (2017), 3777--3783.
• Wardowski D., Fixed points of a new type of contractive mappings in complete metric spaces, Fixed Point Theory Appl. 94 (2012), 6 pp.