@article{10_4153_CMB_1981_026_8,
     author = {Vogt, Andrew},
     title = {The {Isoperimetric} {Inequality} for {Curves} with {Self-Intersections}},
     journal = {Canadian mathematical bulletin},
     pages = {161--167},
     year = {1981},
     volume = {24},
     number = {2},
     doi = {10.4153/CMB-1981-026-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-026-8/}
}