@article{MZ_1985__190_173609,
     author = {Hans-Dieter Wacker},
     title = {\"Uber die {Verallgemeinerung} eines {Satzes} von {Kato.}},
     journal = {Mathematische Zeitschrift},
     pages = {55--62},
     year = {1985},
     volume = {190},
     zbl = {0551.47003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1985__190_173609/}
}