@article{10_4064_cm131_1_7,
     author = {Horst Martini and Anatoly Shcherba},
     title = {On the stability of the unit circle with minimal self-perimeter in normed planes},
     journal = {Colloquium Mathematicum},
     pages = {69--87},
     publisher = {mathdoc},
     volume = {131},
     number = {1},
     year = {2013},
     doi = {10.4064/cm131-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm131-1-7/}
}