@article{10_4153_CMB_1975_024_0,
     author = {Abbott, H. L.},
     title = {On {Property} of {Families} of {Sets}},
     journal = {Canadian mathematical bulletin},
     pages = {133--135},
     year = {1975},
     volume = {18},
     number = {1},
     doi = {10.4153/CMB-1975-024-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-024-0/}
}