@article{PORMA_1973__32_2_115195,
     author = {Wilbur, John},
     title = {A class of {Caratheodory} outer measures in topological spaces},
     journal = {Portugaliae mathematica},
     pages = {101--108},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1973},
     mrnumber = {0322125},
     zbl = {0252.28001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1973__32_2_115195/}
}