@article{10_1017_S0017089500003931,
     author = {Perfect, Hazel},
     title = {Remarks on {Dilworth's} theorem in relation to transversal theory},
     journal = {Glasgow mathematical journal},
     pages = {19--22},
     year = {1980},
     volume = {21},
     number = {1},
     doi = {10.1017/S0017089500003931},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003931/}
}