@article{GDZPPN002235676,
title = {Uniqueness of least energy solutions to a semilinear elliptic equation in R2.},
journal = {Manuscripta mathematica},
volume = {83},
year = {1994},
pages = {13-20},
zbl = {0807.35043},
url = {http://dml.mathdoc.fr/item/GDZPPN002235676}
}
Lin, Chang-Shou. Uniqueness of least energy solutions to a semilinear elliptic equation in R2.. Manuscripta mathematica, Tome 83 (1994) pp. 13-20. http://gdmltest.u-ga.fr/item/GDZPPN002235676/