@article{MOMA_1982__94_178102,
     author = {William A. Veech},
     title = {A {Criterion} for a {Process} to {Be} {Prime.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {335--342},
     publisher = {mathdoc},
     volume = {94},
     year = {1982},
     zbl = {0499.28016},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1982__94_178102/}
}