TY - JOUR AU - Luigi Vezzoni TI - On almost complex structures which are not compatible with symplectic forms JO - Comptes Rendus. Mathématique PY - 2011 SP - 429 EP - 431 VL - 349 IS - 7-8 PB - Elsevier DO - 10.1016/j.crma.2011.01.002 LA - en ID - CRMATH_2011__349_7-8_429_0 ER -