@misc{indiciae8fb2e2972828,
  title = {Reliability indices of some elements of automatic systems},
  author = {Tulchinskii, Yu. V. and Yevstratov, V. F.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680015311},
  note = {Source identifier: 19680015311}
}