@article{MM2_1982__40_154907,
     author = {Wolfgang Arendt},
     title = {Kato's equality and spectral decomposititon for positive {C0-Groups.}},
     journal = {Manuscripta mathematica},
     pages = {277--298},
     publisher = {mathdoc},
     volume = {40},
     year = {1982},
     zbl = {0543.47032},
     url = {http://geodesic.mathdoc.fr/item/MM2_1982__40_154907/}
}