TY  - JOUR
AU  - Selman Akbulut
TI  - On Representing Homology Classes of 4-Manifolds.
JO  - Inventiones mathematicae
PY  - 1978
SP  - 193
EP  - 198
VL  - 49
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1978__49_142601/
ID  - IM_1978__49_142601
ER  -