%0 Journal Article %A A. Favini %T Perturbation methods for inverse problems related to degenerate differential equations %J Journal of computational and engineering mathematics %D 2014 %P 32-44 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCEM_2014_1_2_a3/ %G en %F JCEM_2014_1_2_a3