@article{MM2_1972__7_154118,
     author = {Klaus Bichteler},
     title = {On the {Integration} of {Radon} {Measures} and {Set} {Functions.}},
     journal = {Manuscripta mathematica},
     pages = {215--250},
     publisher = {mathdoc},
     volume = {7},
     year = {1972},
     zbl = {0257.28009},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__7_154118/}
}