@article{Ichikawa11-0,
  title = {Foreword},
  author = {Shuichi Ichikawa},
  year = {2011},
  url = {http://search.ieice.org/bin/summary.php?id=e94-d_12_2297},
  researchr = {https://researchr.org/publication/Ichikawa11-0},
  cites = {0},
  citedby = {0},
  journal = {IEICE Transactions},
  volume = {94-D},
  number = {12},
  pages = {2297},
}