@article{PIM_1991_N_S_49_63_a15,
     author = {R. N. Mukherjee and V. Verma},
     title = {Some {Fixed} {Point} {Theorems} {And} {Their} {Applications} {To} {Best} {Simultaneous} {Approximations}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {111 },
     publisher = {mathdoc},
     volume = {_N_S_49},
     number = {63},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a15/}
}