@article{MOMA_1969__73_177469,
     author = {V.W. Bryant and R.J. Webster},
     title = {Generalizations of the {Theorems} of {Radon,} {Helly,} and {Carath\'eodory.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {309--315},
     publisher = {mathdoc},
     volume = {73},
     year = {1969},
     zbl = {0179.50901},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1969__73_177469/}
}