@article{CMH_1985__60_140004,
     author = {Katsuhiro Shiohama},
     title = {Cut locus and parallel circles of a closed curve on a {Riemannian} plane admitting total curvature.},
     journal = {Commentarii mathematici Helvetici},
     pages = {125--138},
     publisher = {mathdoc},
     volume = {60},
     year = {1985},
     zbl = {0561.53043},
     url = {http://geodesic.mathdoc.fr/item/CMH_1985__60_140004/}
}