TY - CHAP AU - Field, Mike TI - Singularity theory and equivariant dynamical systems BT - International conference on dynamical systems in mathematical physics AU - Collectif T3 - Astérisque PY - 1976 SP - 67 EP - 78 IS - 40 PB - Société mathématique de France UR - http://archive.numdam.org/item/AST_1976__40__67_0/ LA - en ID - AST_1976__40__67_0 ER -