@article{decompositionofnonlineardynamicalsystems,
  title = {Decomposition of Nonlinear Dynamical Systems Using Koopman Gramians},
  author = {Zhiyuan Liu and Soumya Kundu and Lijun Chen and Enoch Yeung},
  year = {2017},
  eprint = {1710.01719},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1710.01719v1},
}