00434nam a22001457a 450000500170000000800410001702000230005804100080008108200130008910000280010224501030013070000280023394200080026199900190026920250801175402.0250801b        |||||||| |||| 00| 0 eng d  a9783540200727qpbk  aeng  a510bGON  aJuan B. Sancho De Salas  aC^infinity - Differentiable Spacesb: lecture notes in mathematics, 1824c Salas Juan B. Sancho de  aJuan B. Sancho De Salas  cREF  c578331d578331