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@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/} }
D. Nikolić-Despotović. The Continuity Of One Class Of Operational Functions. Publications de l'Institut Mathématique, _N_S_10 (1970) no. 24, p. 125 . http://geodesic.mathdoc.fr/item/PIM_1970_N_S_10_24_a13/