%0 Journal Article
%A Santos, Lisa
%T Variational problems with non-constant gradient constraints.
%J Portugaliae mathematica
%D 2002
%P 205-248
%V 59
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_2002__59_2_54539/
%G en
%F PORMA_2002__59_2_54539