%0 Journal Article %A Yoshifumi Takeda %T Pre-Tango structures and uniruled varieties %J Colloquium Mathematicum %D 2007 %P 193-216 %V 108 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm108-2-4/ %R 10.4064/cm108-2-4 %G en %F 10_4064_cm108_2_4