TY - JOUR AU - Michor, Peter W. AU - Vanžura, Jiří TI - Characterizing algebras of $C^\infty$-functions on manifolds JO - Commentationes Mathematicae Universitatis Carolinae PY - 1996 SP - 519 EP - 521 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1996__37_3_a9/ LA - en ID - CMUC_1996__37_3_a9 ER -