NASHINE, Hemant Kumar, and Ravi P. AGARWAL. “Common Fixed Point Theorem for Generalized Nonexpansive Mappings on Ordered Orbitally Complete Metric Spaces and Application”. Studia Universitatis Babeș-Bolyai Mathematica, vol. 62, no. 4, Dec. 2017, pp. 521–536, doi:10.24193/subbmath.2017.4.09.