@article{8806,
  author = {Isaac Shlosman and Mitchell Begelman},
  title = {Self-gravitating accretion disks in active galactic nuclei},
  year = {1987},
  journal = {Nature},
  volume = {329},
  pages = {810-812},
  month = {10/1987},
  issn = {0028-0836},
  doi = {10.1038/329810a0},
}