TY - JOUR AU - Henry, Jean-Pierre AU - Merle, Michel TI - Fronces et doubles plis JO - Compositio Mathematica PY - 1996 SP - 21 EP - 54 VL - 101 IS - 1 PB - Kluwer Academic Publishers UR - http://archive.numdam.org/item/CM_1996__101_1_21_0/ LA - fr ID - CM_1996__101_1_21_0 ER -