%0 Journal Article
%A John Andersson
%A Erik Lindgren
%A Henrik Shahgholian
%T Optimal regularity for the parabolic no-sign obstacle type problem
%J Interfaces and free boundaries
%D 2013
%P 477-499
%V 15
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4171/ifb/311/
%R 10.4171/ifb/311
%F 10_4171_ifb_311