@article{MAN_1973__206_162506,
     author = {Wolfgang Hackenbroch},
     title = {Zum {Radon-Nikodymschen} {Satz} f\"ur positive {Vektorma{\ss}e.}},
     journal = {Mathematische Annalen},
     pages = {63--66},
     publisher = {mathdoc},
     volume = {206},
     year = {1973},
     zbl = {0259.28010},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__206_162506/}
}