@article{NSJOM_2010_40_1a_4,
     author = {Neeraj Anant Pande, and J. Achari},
     title = {Existence and uniqueness of $\xi\eta$-multiple fixed points of
 mixed monotone operators},
     journal = {Novi Sad Journal of Mathematics},
     pages = {29-42},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2010_40_1a_4/}
}