@article{MZ_1965__88_170414,
     author = {Gilbert Helmberg},
     title = {\"Uber die {Zerlegung} einer me{\ss}baren {Transformation} in konservative und dissipative {Bestandteile.}},
     journal = {Mathematische Zeitschrift},
     pages = {358--367},
     publisher = {mathdoc},
     volume = {88},
     year = {1965},
     zbl = {0145.28002},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__88_170414/}
}