%0 Journal Article %A Lichardová, Hana %T Saddle connections in planar systems %J Archivum mathematicum %D 2000 %P 507-512 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2000__36_5_a17/ %G en %F ARM_2000__36_5_a17