%0 Journal Article %A Vezzoni, Luigi %T On almost complex structures which are not compatible with symplectic forms %J Comptes Rendus. Mathématique %D 2011 %P 429-431 %V 349 %N 7-8 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2011.01.002/ %R 10.1016/j.crma.2011.01.002 %G en %F CRMATH_2011__349_7-8_429_0