@article{01727490, title = {Controlled connectivity of closed 1-forms.}, journal = {Geometry \& Topology}, volume = {6}, year = {2002}, pages = {171-217}, doi = {10.2140/agt.2002.2.171}, zbl = {1002.57069}, language = {en}, url = {http://dml.mathdoc.fr/item/01727490} }
Schütz, D. Controlled connectivity of closed 1-forms.. Geometry & Topology, Tome 6 (2002) pp. 171-217. doi : 10.2140/agt.2002.2.171. http://gdmltest.u-ga.fr/item/01727490/