JAῒEM, Emna; KHALFALLAH, Sinda. An energy-gap cost functional for cavities identification. Nonlinear Studies, [S.l.], v. 24, n. 4, p. 745-756, nov. 2017. ISSN 2153-4373. Available at: <http://nonlinearstudies.com/index.php/nonlinear/article/view/1609>. Date accessed: 24 june 2018.