@article{Biran_1997,
title={Symplectic Packing in Dimension 4},
volume={7},
ISSN={1420-8970},
url={http://dx.doi.org/10.1007/s000390050014},
DOI={10.1007/s000390050014},
number={3},
journal={Geometric And Functional Analysis},
publisher={Springer Science and Business Media LLC},
author={Biran,
P.},
year={1997},
month=jul,
pages={420–437} }