TY - JOUR AU - Van der Put, M. TI - Some properties of the ring of germs of $C^\infty $-functions JO - Compositio Mathematica PY - 1977 SP - 99 EP - 108 VL - 34 IS - 1 PB - Noordhoff International Publishing UR - http://www.numdam.org/item/CM_1977__34_1_99_0/ LA - en ID - CM_1977__34_1_99_0 ER -