@article{MOMA_1980__90_177983,
     author = {J.-Ph. Anker},
     title = {Sur la {Propri\'et\'e} {P.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {87--90},
     publisher = {mathdoc},
     volume = {90},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1980__90_177983/}
}