@article{MZM_2009_85_5_a0,
     author = {I. V. Arzhantsev},
     title = {On the {Factoriality} of {Cox} rings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--651},
     publisher = {mathdoc},
     volume = {85},
     number = {5},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_85_5_a0/}
}