@article{10_4171_ifb_277,
     author = {Yannick Sire and Enrico Valdinoci},
     title = {Density estimates for phase transitions with a trace},
     journal = {Interfaces and free boundaries},
     pages = {153--165},
     year = {2012},
     volume = {14},
     number = {2},
     doi = {10.4171/ifb/277},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/277/}
}