@article{JCA_2013_20_4_JCA_2013_20_4_a1,
     author = {J. Harjani and B. L\'opez and K. Sadarangani},
     title = {Common {Fixed} {Point} {Theorems} for {Monotone} {Generalized} {Contractions} {Satisfying} a {Contractive} {Condition} of {Rational} {Type} in {Ordered} {Metric} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {919--935},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/JCA_2013_20_4_JCA_2013_20_4_a1/}
}