TY - JOUR AU - H. Hofer AU - Y. Eliashberg TI - Towards the Definition of Symplectic Boundary. JO - Geometric and functional analysis PY - 1992 SP - 211 EP - 220 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GFA_1992__2_1_58148/ ID - GFA_1992__2_1_58148 ER -