TY  - JOUR
AU  - G.C. Hamrick
AU  - David C. Royster
TI  - Flat Riemannian Manifolds are Boundaries.
JO  - Inventiones mathematicae
PY  - 1982
SP  - 405
EP  - 414
VL  - 66
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1982__66_142890/
ID  - IM_1982__66_142890
ER  -