@article{AIHPC_2016__33_3_809_0, author = {Guo, Yujin and Zeng, Xiaoyu and Zhou, Huan-Song}, title = {Energy estimates and symmetry breaking in attractive {Bose{\textendash}Einstein} condensates with ring-shaped potentials}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {809--828}, publisher = {Elsevier}, volume = {33}, number = {3}, year = {2016}, doi = {10.1016/j.anihpc.2015.01.005}, zbl = {1341.35053}, language = {en}, url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2015.01.005/} }