@article{MASLO_1979__29_1_a2,
     author = {Mi\v{s}{\'\i}k, Ladislav},
     title = {Extreme essential derivatives of {Borel} and {Lebesgue} measurable functions},
     journal = {Mathematica slovaca},
     pages = {25--38},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1979},
     mrnumber = {561773},
     zbl = {0411.28006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1979__29_1_a2/}
}