%0 Journal Article %A HE, HAIYANG %T SYMMETRY BREAKING FOR GROUND-STATE SOLUTIONS OF HÉNON SYSTEMS IN A BALL %J Glasgow mathematical journal %D 2011 %P 245-255 %V 53 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000662/ %R 10.1017/S0017089510000662 %F 10_1017_S0017089510000662