@article{MET_1973__20_175610,
     author = {D. Mussmann},
     title = {Suffiziente {Vergr\"oberungen} im schwach dominierten {Fall.}},
     journal = {Metrika},
     pages = {219--229},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     zbl = {0331.60005},
     url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175610/}
}