@article{10_4153_CMB_1982_055_5,
     author = {Boyarsky, Abraham and Byers, William},
     title = {Fullness of {Maps}},
     journal = {Canadian mathematical bulletin},
     pages = {375--376},
     year = {1982},
     volume = {25},
     number = {3},
     doi = {10.4153/CMB-1982-055-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-055-5/}
}