@article{10_4153_CMB_2011_182_0,
     author = {Agashe, Amod},
     title = {On the {Notion} of {Visibility} of {Torsors}},
     journal = {Canadian mathematical bulletin},
     pages = {225--228},
     year = {2013},
     volume = {56},
     number = {2},
     doi = {10.4153/CMB-2011-182-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-182-0/}
}