@misc{indiciaee10be9d57563,
  title = {Triple galaxies and a hidden mass problem},
  author = {Karachentsev, I. D. and Karachentseva, V. E. and Lebedev, V. S.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910007562},
  note = {Source identifier: 19910007562}
}