@article{AUCMP_1996__37_2_a4,
     author = {Katafiasz, A.},
     title = {1-Improvable discontinuous functions},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {29--35},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {1996},
     mrnumber = {1600477},
     zbl = {0885.26004},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1996__37_2_a4/}
}