@article{MOMA_1992__113_4_178549,
     author = {P. Filliman},
     title = {Rigidity and the {Alexandrov-Fenchel} {Inequality.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1992},
     zbl = {0765.52017},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1992__113_4_178549/}
}