@article{ZAA_1999__18_1_48445,
     author = {Camilli, F.},
     title = {A note on convergence of level sets.},
     journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
     pages = {3--12},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1999},
     zbl = {0939.28001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZAA_1999__18_1_48445/}
}