Derafshpour M, Rezapour S, Shahzad N. Best proximity points of cyclic $\varphi$-contractions in ordered metric spaces. TMNA [Internet]. 2011 Apr. 23 [cited 2025 Jul. 9];37(1):193-202. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.010