@article{10_4153_CJM_1986_031_3,
     author = {Ginsburg, J. and Rival, I. and Sands, B.},
     title = {Antichains and {Finite} {Sets} that {Meet} all {Maximal} {Chains}},
     journal = {Canadian journal of mathematics},
     pages = {619--632},
     year = {1986},
     volume = {38},
     number = {3},
     doi = {10.4153/CJM-1986-031-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-031-3/}
}