@article{MM2_1977__20_154437,
     author = {Wolf von Wahl},
     title = {A {Remark} to a {Paper} of {Kato} and {Ikebe.}},
     journal = {Manuscripta mathematica},
     pages = {197--208},
     publisher = {mathdoc},
     volume = {20},
     year = {1977},
     zbl = {0407.35029},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__20_154437/}
}