@article{AdmGarloff2017,
  author    = {Mohammad Adm and J{\"u}rgen Garloff},
  title     = {Invariance of total nonnegativity of a matrix under entry-wise perturbation and subdirect sum of totally nonnegative matrices},
  journal   = {Linear Algebra and its Applications},
  volume    = {2017},
  number    = {514},
  pages     = {222 -- 233},
  doi       = {10.1016/j.laa.2016.11.001},
  year        = {2017},
}