Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1977__52_139703, author = {John Smillie}, title = {Flat manifolds with non-zero {Euler} characteristics.}, journal = {Commentarii mathematici Helvetici}, pages = {453--456}, publisher = {mathdoc}, volume = {52}, year = {1977}, zbl = {0357.53021}, url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139703/} }
John Smillie. Flat manifolds with non-zero Euler characteristics.. Commentarii mathematici Helvetici, Tome 52 (1977), pp. 453-456. http://geodesic.mathdoc.fr/item/CMH_1977__52_139703/