TY - JOUR AU - Alexander Goncharov TI - A compact set without Markov’s property but with an extension operator for $C^∞$-functions JO - Studia Mathematica PY - 1996 SP - 27 VL - 119 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/STUMA_1996__119_1_216284/ LA - en ID - STUMA_1996__119_1_216284 ER -