@article{GDZPPN000461504,
title = {Towards the Definition of Symplectic Boundary.},
journal = {Geometric and functional analysis},
volume = {2},
year = {1992},
pages = {211-220},
zbl = {0756.53016},
url = {http://dml.mathdoc.fr/item/GDZPPN000461504}
}
Hofer, H.; Eliashberg, Y. Towards the Definition of Symplectic Boundary.. Geometric and functional analysis, Tome 2 (1992) pp. 211-220. http://gdmltest.u-ga.fr/item/GDZPPN000461504/