Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1986__48_133064, author = {G. Raugel}, title = {Finite {Dimensional} {Approximation} of {Bifurcation} {Problems} in {Presence} of {Symmetries.}}, journal = {Numerische Mathematik}, pages = {137--198}, publisher = {mathdoc}, volume = {48}, year = {1986}, zbl = {0562.65073}, url = {http://geodesic.mathdoc.fr/item/NUMA_1986__48_133064/} }
G. Raugel. Finite Dimensional Approximation of Bifurcation Problems in Presence of Symmetries.. Numerische Mathematik, Tome 48 (1986), pp. 137-198. http://geodesic.mathdoc.fr/item/NUMA_1986__48_133064/