@article{MOMA_1981__92_178034,
     author = {Gerhard Racher},
     title = {Remarks on a {Paper} of {Bachelis} and {Gilbert.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {47--60},
     publisher = {mathdoc},
     volume = {92},
     year = {1981},
     zbl = {0455.43001},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1981__92_178034/}
}