@article{PORMA_1977__36_3-4_115315,
     author = {Garrett, B.D.},
     title = {Some characterizations of pointwise discontinuous functions},
     journal = {Portugaliae mathematica},
     pages = {197--201},
     publisher = {mathdoc},
     volume = {36},
     number = {3-4},
     year = {1977},
     mrnumber = {0597841},
     zbl = {0441.26003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1977__36_3-4_115315/}
}