@article{10_4171_ifb_340,
     author = {Karen Yeressian},
     title = {Nondegeneracy in the obstacle problem with a degenerate force term},
     journal = {Interfaces and free boundaries},
     pages = {233--244},
     year = {2015},
     volume = {17},
     number = {2},
     doi = {10.4171/ifb/340},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/340/}
}