@article{PIM_1977_N_S_21_35_a1,
     author = {J. Achari},
     title = {Some {Results} {On} {\'Ciri\'c's} {Quasi-Contraction} {Mappings}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {9 },
     publisher = {mathdoc},
     volume = {_N_S_21},
     number = {35},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a1/}
}