@article{KJM_2002_24_a7,
     author = {Dimitrije Hajdukovi\'c},
     title = {Some problems about the limit of a real-valued function},
     journal = {Kragujevac Journal of Mathematics},
     pages = {71 },
     publisher = {mathdoc},
     volume = {24},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2002_24_a7/}
}