TY - JOUR AU - G. Raugel TI - Finite Dimensional Approximation of Bifurcation Problems in Presence of Symmetries. JO - Numerische Mathematik PY - 1986 SP - 137 EP - 198 VL - 48 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__48_133064/ ID - NUMA_1986__48_133064 ER -