%0 Journal Article %A Tomás Roubicek %T Optimal Control of a Stefan Problem with State-Space Constraints. %J Numerische Mathematik %D 1986 %P 723-744 %V 50 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1986__50_133180/ %F NUMA_1986__50_133180