@article{AFM_1999_24_1_a8,
     author = {Hassan Hosseinzadeh and Henrik Shahgholian},
     title = {Qualitative aspects of a free boundary problem},
     journal = {Annales Fennici Mathematici},
     pages = {109--121},
     year = {1999},
     volume = {24},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1999_24_1_a8/}
}