@article{GDZPPN002107368, title = {Bifurcation and symmetry-breaking.}, journal = {Inventiones mathematicae}, volume = {100}, year = {1990}, pages = {63-96}, zbl = {0721.58011}, url = {http://dml.mathdoc.fr/item/GDZPPN002107368} }
Smoller, J.; Wasserman, Arthur G. Bifurcation and symmetry-breaking.. Inventiones mathematicae, Tome 100 (1990) pp. 63-96. http://gdmltest.u-ga.fr/item/GDZPPN002107368/