On Level-Set Type Methods for Recovering Piecewise Constant Solutions of Ill-Posed Problems. - Adriano DeCezaro; Antonio Leitão; Xue-Cheng Tai (SSVM, 2009)

On a Level-Set Method for Ill-Posed Problems with Piecewise Nonconstant Coefficients. - Adriano DeCezaro (J. Appl. Math., 2013)