@article{EJDE_2000__2000__a120,
     author = {D'Aprile, Teresa},
     title = {Behaviour of symmetric solutions of a nonlinear elliptic field equation in the semi-classical limit: {Concentration} around a circle},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2000},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a120/}
}