@misc{indiciaea6e791743029,
  title = {Maximal functions: Homogeneous curves.},
  author = {E M Stein},
  year = {1976},
  doi = {10.1073/pnas.73.7.2176},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592330/},
  note = {Source identifier: 16592330}
}