@article{EJDE_1997__1997__a36,
     author = {Acker, Andrew F. and Lancaster, Kirk E.},
     title = {Qualitative behavior of axial-symmetric solutions of elliptic free boundary problems},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {1997},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a36/}
}