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@article{MASLO_1996__46_2-3_a13, author = {Bors{\'\i}k, J\'an}, title = {Maxima and minima of simply continuous and quasicontinuous functions}, journal = {Mathematica slovaca}, pages = {261--268}, publisher = {mathdoc}, volume = {46}, number = {2-3}, year = {1996}, mrnumber = {1427011}, zbl = {0889.54005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1996__46_2-3_a13/} }
Borsík, Ján. Maxima and minima of simply continuous and quasicontinuous functions. Mathematica slovaca, Tome 46 (1996) no. 2-3, pp. 261-268. http://geodesic.mathdoc.fr/item/MASLO_1996__46_2-3_a13/