@article{IM_1990__100_2_143779, author = {J. Smoller and Arthur G. Wasserman}, title = {Bifurcation and symmetry-breaking.}, journal = {Inventiones mathematicae}, pages = {63--96}, publisher = {mathdoc}, volume = {100}, number = {2}, year = {1990}, zbl = {0721.58011}, url = {http://geodesic.mathdoc.fr/item/IM_1990__100_2_143779/} }