@article{01278882, title = {A note on convergence of level sets.}, journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen}, volume = {18}, year = {1999}, pages = {3-12}, zbl = {0939.28001}, language = {en}, url = {http://dml.mathdoc.fr/item/01278882} }
Camilli, F. A note on convergence of level sets.. Zeitschrift für Analysis und ihre Anwendungen, Tome 18 (1999) pp. 3-12. http://gdmltest.u-ga.fr/item/01278882/