@inproceedings{d.1969extrapolation,
title={Extrapolation and interpolation of quasi-linear operators on martingales},
author={D. L. Burkholder, and R. F. Gundy},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203219882969093},
booktitle={Acta Mathematica},
volume={124},
number={1},
pages={249-304},
year={1969},
}
D. L. Burkholder, and R. F. Gundy. Extrapolation and interpolation of quasi-linear operators on martingales. 1969. Vol. 124. In Acta Mathematica. pp.249-304. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203219882969093.