Inverse problem for the Helmholtz equation with Cauchy data: reconstruction with conditional well-posedness driven iterative regularizationGiovanni Alessandrini, Maarten V. De Hoop, Florian Faucher, Romina Gaburro and Eva SincichESAIM: M2AN, 53 3 (2019) 1005-1030DOI: https://doi.org/10.1051/m2an/2019009