@article{GDZPPN002097982, title = {Flat Riemannian Manifolds are Boundaries.}, journal = {Inventiones mathematicae}, volume = {69}, year = {1982}, pages = {405-414}, zbl = {0468.57025}, url = {http://dml.mathdoc.fr/item/GDZPPN002097982} }
Hamrick, G.C.; Royster, David C. Flat Riemannian Manifolds are Boundaries.. Inventiones mathematicae, Tome 69 (1982) pp. 405-414. http://gdmltest.u-ga.fr/item/GDZPPN002097982/