@article{10_4153_CMB_1984_078_0,
     author = {Grow, David and Whicher, William C.},
     title = {Finite {Unions} of {Quasi-Independent} {Sets}},
     journal = {Canadian mathematical bulletin},
     pages = {490--493},
     year = {1984},
     volume = {27},
     number = {4},
     doi = {10.4153/CMB-1984-078-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-078-0/}
}