@article{JMLR:v27:25-1017,
  author  = {Peijun Sang and Bing Li},
  title   = {Nonlinear function-on-function regression by RKHS},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {12},
  pages   = {1--54},
  url     = {http://jmlr.org/papers/v27/25-1017.html}
}