@misc{indiciae989969d26e0b,
  title = {Aplanatic two-mirror telescopes - A systematic study. III - The Schwarzschild-Couder configuration},
  author = {Wyman, C. L. and Korsch, D.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750042549},
  note = {Source identifier: 19750042549}
}