@article{JMLR:v25:23-0645,
  author  = {Rui Wang and Yuesheng Xu and Mingsong Yan},
  title   = {Sparse Representer Theorems for Learning in Reproducing Kernel Banach Spaces},
  journal = {Journal of Machine Learning Research},
  year    = {2024},
  volume  = {25},
  number  = {93},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v25/23-0645.html}
}