A unique common coupled fixed point theorem for four maps under ψ - φ contractive condition in partial metric spaces
Author
Rao, K.P.R.
Kishore, G.N.V.
Van Luong, Nguyen
Full text
https://revistas.ufro.cl/ojs/index.php/cubo/article/view/133510.4067/S0719-06462012000300008
Abstract
In this paper, we obtain a unique coupled common fixed point theorem for four maps in partial metric spaces.