@article{etna_vol59_pp43-59,
  author  = {Silvia Noschese},
  title   = {The structured distance to singularity of a symmetric tridiagonal Toeplitz  matrix},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {59},
  year    = {2023},
  pages   = {43--59},
  doi     = {10.1553/etna_vol59s43},
}