@article{c997a6063fb9449d900aee8185395678,
title = "Rational curves on holomorphic symplectic fourfolds",
author = "B. Hassett and Y. Tschinkel",
note = "Funding Information: Acknowledgements. The first author was partially supported by an NSF postdoctoral fellowship, NSF continuing research grant 0070537, and The Institute of Mathematical Sciences at the Chinese University of Hong Kong. The second author was partially supported by the NSA. We thank D. Matsushita and Y. Namikawa for sending us their preprints. Our treatment of rationality questions in section 7.2 benefitted from discussions with D. Saltman and I. Dolgachev.",
year = "2001",
doi = "10.1007/s00039-001-8229-1",
language = "English (US)",
volume = "11",
pages = "1201--1228",
journal = "Geometric and Functional Analysis",
issn = "1016-443X",
publisher = "Birkhauser Verlag Basel",
number = "6",
}