@article{AIF_1981__31_1_177_0,
     author = {Duff, Dusa Mc},
     title = {$C^1$-minimal subsets of the circle},
     journal = {Annales de l'Institut Fourier},
     pages = {177--193},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {31},
     number = {1},
     year = {1981},
     doi = {10.5802/aif.822},
     zbl = {0439.58020},
     mrnumber = {82h:58044},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.822/}
}