@article{MZ_1977__156_172564,
     author = {Roger A. Horn},
     title = {On the {Moments} of {Complex} {Measures.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--12},
     year = {1977},
     volume = {156},
     zbl = {0339.30030},
     url = {http://geodesic.mathdoc.fr/item/MZ_1977__156_172564/}
}