@article{1103904720, author = {Davies, E. B.}, title = {Symmetry breaking for a nonlinear Schr\"odinger equation}, journal = {Comm. Math. Phys.}, volume = {64}, number = {3}, year = {1979}, pages = { 191-210}, language = {en}, url = {http://dml.mathdoc.fr/item/1103904720} }
Davies, E. B. Symmetry breaking for a nonlinear Schrödinger equation. Comm. Math. Phys., Tome 64 (1979) no. 3, pp. 191-210. http://gdmltest.u-ga.fr/item/1103904720/