%0 Journal Article %A Ibort, Alberto %A Marti´nez Torres, David %T Lefschetz pencil structures for 2-calibrated manifolds %J Comptes Rendus. Mathématique %D 2004 %P 215-218 %V 339 %N 3 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2004.05.018/ %R 10.1016/j.crma.2004.05.018 %G en %F CRMATH_2004__339_3_215_0