@article{GDZPPN002486482, title = {A Note on Closed Ideals in Rings of Smooth Functions.}, journal = {Monatshefte f\"ur Mathematik}, volume = {108}, year = {1989}, pages = {1-4}, zbl = {0671.46038}, url = {http://dml.mathdoc.fr/item/GDZPPN002486482} }
Kock, Anders; Adelman, Murray. A Note on Closed Ideals in Rings of Smooth Functions.. Monatshefte für Mathematik, Tome 108 (1989) pp. 1-4. http://gdmltest.u-ga.fr/item/GDZPPN002486482/