@article{10_4153_CMB_1981_050_3,
     author = {Thomson, B. S.},
     title = {On the {Total} {Variation} of a {Function}},
     journal = {Canadian mathematical bulletin},
     pages = {331--340},
     year = {1981},
     volume = {24},
     number = {3},
     doi = {10.4153/CMB-1981-050-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-050-3/}
}