@article{MOMA_1981__91_178016,
     author = {Rudolf J. Taschner},
     title = {Eine {Ungleichung} von van der {Corput} und {Kemperman.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {139--152},
     publisher = {mathdoc},
     volume = {91},
     year = {1981},
     zbl = {0447.10036},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1981__91_178016/}
}