@article{GDZPPN00233531X, title = {Nonisomorphic algebraic models of a smooth manifold.}, journal = {Mathematische Annalen}, volume = {291}, year = {1991}, pages = {1-2}, zbl = {0714.14012}, url = {http://dml.mathdoc.fr/item/GDZPPN00233531X} }
Bochnak, J.; Kucharz, W. Nonisomorphic algebraic models of a smooth manifold.. Mathematische Annalen, Tome 291 (1991) pp. 1-2. http://gdmltest.u-ga.fr/item/GDZPPN00233531X/