@article{10_4171_ifb_235,
     author = {John E. Andersson},
     title = {Boundary regularity for a parabolic obstacle type problem},
     journal = {Interfaces and free boundaries},
     pages = {279--291},
     year = {2010},
     volume = {12},
     number = {3},
     doi = {10.4171/ifb/235},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/235/}
}