Citation: M. Giaquinta et al., CONNECTIVITY PROPERTIES OF THE RANGE A WEAK DIFFEOMORPHISM, Annales de l Institut Henri Poincare. Analyse non lineaire, 12(1), 1995, pp. 61-73
Citation: M. Giaquinta et al., SINGULAR PERTURBATIONS ASSOCIATED TO THE DIRICHLET ENERGY OF MAPS WITH VALUES IN S-2, Journal of functional analysis, 118(1), 1993, pp. 188-197