%0 Journal Article %A Van der Put, M. %T Some properties of the ring of germs of $C^\infty $-functions %J Compositio Mathematica %D 1977 %P 99-108 %V 34 %N 1 %I Noordhoff International Publishing %U http://www.numdam.org/item/CM_1977__34_1_99_0/ %G en %F CM_1977__34_1_99_0