TY - JOUR AU - A. Calogero AU - G. Carcano AU - R. Pini TI - Twisted Convex Hulls in the Heisenberg Group JO - Journal of convex analysis PY - 2007 SP - 607 EP - 619 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2007_14_3_JCA_2007_14_3_a7/ ID - JCA_2007_14_3_JCA_2007_14_3_a7 ER -