@article{MOMA_1992__113_4_178560,
     author = {R.J. Gregorac},
     title = {Iterated {Means} of {Convex} {Bodies.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {189--198},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1992},
     zbl = {0765.52007},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1992__113_4_178560/}
}