TY - JOUR AU - Polishchuk, A. TI - Simple Helices on Fano Threefolds JO - Canadian mathematical bulletin PY - 2011 SP - 520 EP - 526 VL - 54 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-106-x/ DO - 10.4153/CMB-2010-106-x ID - 10_4153_CMB_2010_106_x ER -