@article{PIM_1970_N_S_10_24_a13,
     author = {D. Nikoli\'c-Despotovi\'c},
     title = {The {Continuity} {Of} {One} {Class} {Of} {Operational} {Functions}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {125 },
     publisher = {mathdoc},
     volume = {_N_S_10},
     number = {24},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/PIM_1970_N_S_10_24_a13/}
}