@article{10_4153_CMB_1978_059_2,
     author = {Thomson, B. S.},
     title = {On {Weak} {Vitali} {Covering} {Properties}},
     journal = {Canadian mathematical bulletin},
     pages = {339--345},
     year = {1978},
     volume = {21},
     number = {3},
     doi = {10.4153/CMB-1978-059-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-059-2/}
}