TY  - RPRT
TI  - Maximal functions associated to smooth curves.
AU  - E M Stein
AU  - S Wainger
PY  - 1976
DO  - 10.1073/pnas.73.12.4295
UR  - https://pubmed.ncbi.nlm.nih.gov/16592370/
ID  - 16592370
ER  -