TY  - JOUR
AU  - Iori, Massimiliano
AU  - Piergallini, Riccardo
TI  - 4–manifolds as covers of the 4–sphere branched over non-singular surfaces
JO  - Geometry & topology
PY  - 2002
SP  - 393
EP  - 401
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2002.6.393/
DO  - 10.2140/gt.2002.6.393
ID  - GT_2002_6_1_a12
ER  -