@article{639bf17bfe454a698e52ab35611c5f1a,
title = "Real algebraic threefolds, III. Conic bundles",
author = "J{\'a}nos Koll{\'a}r",
note = "Funding Information: Acknowledgments. I thank S. Gersten, M. Kapovich, and B. Kleinert for answering my numerous questions about 3-manifold topology. Partial financial support was provided by the NSF under grant number DMS-9622394.",
year = "1999",
doi = "10.1007/BF02367244",
language = "English (US)",
volume = "94",
pages = "996--1020",
journal = "Journal of Mathematical Sciences (United States)",
issn = "1072-3374",
publisher = "Springer Nature",
number = "1",
}