@article{913775,
      recid = {913775},
      author = {Simon, Barry,},
      title = {Loewner's theorem on monotone matrix functions /},
      pages = {1 online resource :},
      url = {http://library.usi.edu/record/913775},
      doi = {https://doi.org/10.1007/978-3-030-22422-6},
}