@misc{indiciaec5634ed3de50,
  title = {Optimal reliability of a complex system},
  author = {Fan, L.-T. and Hwang, C.-L. and Lai, K. C. and Tillman, F. A.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710045464},
  note = {Source identifier: 19710045464}
}