@article{10_4153_CMB_1984_014_3,
     author = {Pomerol, J. Ch.},
     title = {Nearly {Open,} {According} to a {Subset,} {Linear} {Maps} {Which} are {Open}},
     journal = {Canadian mathematical bulletin},
     pages = {96--101},
     year = {1984},
     volume = {27},
     number = {1},
     doi = {10.4153/CMB-1984-014-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-014-3/}
}