%0 Journal Article %A De Maesschalck, Peter %A Dumortier, Freddy %T Time and entry–exit relation near a planar turning point %J Comptes Rendus. Mathématique %D 2004 %P 359-364 %V 339 %N 5 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2004.06.020/ %R 10.1016/j.crma.2004.06.020 %G en %F CRMATH_2004__339_5_359_0