@article{MM2_1994__84_1_155974, author = {Chang-Shou Lin}, title = {Uniqueness of least energy solutions to a semilinear elliptic equation in {R2.}}, journal = {Manuscripta mathematica}, pages = {13--20}, publisher = {mathdoc}, volume = {84}, number = {1}, year = {1994}, zbl = {0807.35043}, url = {http://geodesic.mathdoc.fr/item/MM2_1994__84_1_155974/} }