@article{AUCMP_1992_33_2_a7,
     author = {Grzegorek, E.},
     title = {Hereditary measurable sets and universal measure},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {45--47},
     year = {1992},
     volume = {33},
     number = {2},
     mrnumber = {1287225},
     zbl = {0792.28003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1992_33_2_a7/}
}