@article{10_4153_CMB_2010_106_x,
     author = {Polishchuk, A.},
     title = {Simple {Helices} on {Fano} {Threefolds}},
     journal = {Canadian mathematical bulletin},
     pages = {520--526},
     year = {2011},
     volume = {54},
     number = {3},
     doi = {10.4153/CMB-2010-106-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-106-x/}
}