On the convergence of minimizers of singular perturbation functionals Andres ContrerasXavier LamyRémy Rodiac Indiana University Mathematics Journal 2018 text pdf 10.1512/iumj.2018.67.7391 10.1512/iumj.2018.67.7391 en Indiana Univ. Math. J. 67 (2018) 1665 - 1682 state-of-the-art mathematics http://iumj.org/access/