@article{MOMA_1989__107_3_178408,
     author = {Anders Kock and Murray Adelman},
     title = {A {Note} on {Closed} {Ideals} in {Rings} of {Smooth} {Functions.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {107},
     number = {3},
     year = {1989},
     zbl = {0671.46038},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1989__107_3_178408/}
}