@article{10_4153_CJM_1982_029_3,
     author = {Anstee, R. P.},
     title = {Properties of a {Class} of {(0,1)-Matrices} {Covering} a given {Matrix}},
     journal = {Canadian journal of mathematics},
     pages = {438--453},
     year = {1982},
     volume = {34},
     number = {2},
     doi = {10.4153/CJM-1982-029-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-029-3/}
}