@article{MOMA_1948__52_176782,
     author = {L. Vietoris},
     title = {\"Uber den {Begriff} der {Wahrscheinlichkeit.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {55--85},
     publisher = {mathdoc},
     volume = {52},
     year = {1948},
     zbl = {0030.20001},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1948__52_176782/}
}