@article{10_4153_CMB_1981_051_0,
     author = {Thomson, B. S.},
     title = {Outer {Measures} and {Total} {Variation}},
     journal = {Canadian mathematical bulletin},
     pages = {341--345},
     year = {1981},
     volume = {24},
     number = {3},
     doi = {10.4153/CMB-1981-051-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-051-0/}
}