@article{GDZPPN001181157, title = {Optimal Control of a Stefan Problem with State-Space Constraints.}, journal = {Numerische Mathematik}, volume = {50}, year = {1986}, pages = {723-744}, zbl = {0589.65056}, url = {http://dml.mathdoc.fr/item/GDZPPN001181157} }
Roubicek, Tomás. Optimal Control of a Stefan Problem with State-Space Constraints.. Numerische Mathematik, Tome 50 (1986) pp. 723-744. http://gdmltest.u-ga.fr/item/GDZPPN001181157/