@article{10_1017_S0017089510000662,
     author = {HE, HAIYANG},
     title = {SYMMETRY {BREAKING} {FOR} {GROUND-STATE} {SOLUTIONS} {OF} {H\'ENON} {SYSTEMS} {IN} {A} {BALL}},
     journal = {Glasgow mathematical journal},
     pages = {245--255},
     year = {2011},
     volume = {53},
     number = {2},
     doi = {10.1017/S0017089510000662},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000662/}
}