Ionic parameters identification of an inverse problem of strongly coupled PDE’s system in cardiac electrophysiology using Carleman estimatesYassine Abidi, Mourad Bellassoued, Moncef Mahjoub and Nejib ZemzemiMath. Model. Nat. Phenom., 14 2 (2019) 202DOI: https://doi.org/10.1051/mmnp/2018060