TY  - JOUR
AU  - Amendola, Gennaro
TI  - A local calculus for nullhomotopic filling Dehn spheres
JO  - Algebraic and Geometric Topology
PY  - 2009
SP  - 903
EP  - 933
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.903/
DO  - 10.2140/agt.2009.9.903
ID  - 10_2140_agt_2009_9_903
ER  -