@article{MOMA_1967__71_177397,
     author = {E. Heil},
     title = {Absch\"atzungen f\"ur einige {Affinvarianten} konvexer {Kurven.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {405--423},
     publisher = {mathdoc},
     volume = {71},
     year = {1967},
     zbl = {0153.50902},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1967__71_177397/}
}