TY  - JOUR
AU  - Salvetti, Mario
AU  - Settepanella, Simona
TI  - Combinatorial Morse theory and minimality of hyperplane arrangements
JO  - Geometry & topology
PY  - 2007
SP  - 1733
EP  - 1766
VL  - 11
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.1733/
DO  - 10.2140/gt.2007.11.1733
ID  - GT_2007_11_3_a13
ER  -