@article{NSJOM_1998_28_1a_7,
     author = {O. 

 Had\v{z}i\'c, T. \v{Z}iki\'c},
     title = {On 

 {Caristi{\textquoteright}s} fixed point theorem in {F-type} topological spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {91-98},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1998_28_1a_7/}
}