@article{10_4153_CMB_1964_034_7,
     author = {Beatty, J. C. and Miller, R. E.},
     title = {On {Equi-Cardinal,} {Restrictions} of a {Graph}},
     journal = {Canadian mathematical bulletin},
     pages = {369--375},
     year = {1964},
     volume = {7},
     number = {3},
     doi = {10.4153/CMB-1964-034-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-034-7/}
}