@article{MM2_1976__19_154410,
     author = {Erhard Heil},
     title = {Ungleichungen f\"ur die {Quermassenintegrale} polarer {K\"orper.}},
     journal = {Manuscripta mathematica},
     pages = {143--150},
     publisher = {mathdoc},
     volume = {19},
     year = {1976},
     zbl = {0315.52015},
     url = {http://geodesic.mathdoc.fr/item/MM2_1976__19_154410/}
}