@article{MZ_1969__109_171145,
     author = {Wolfgang Hackenbroch},
     title = {Integraldarstellung einer {Klasse} dissipativer linearer {Operatoren.}},
     journal = {Mathematische Zeitschrift},
     pages = {273--287},
     publisher = {mathdoc},
     volume = {109},
     year = {1969},
     zbl = {0179.17901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1969__109_171145/}
}