@inproceedings{oscar1998vector-valued,
title={Vector-valued Hardy inequalities and$B$-convexity},
author={Oscar Blasco},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203557379410736},
booktitle={Arkiv for Matematik},
volume={38},
number={1},
pages={21-36},
year={1998},
}

Oscar Blasco. Vector-valued Hardy inequalities and$B$-convexity. 1998. Vol. 38. In Arkiv for Matematik. pp.21-36. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203557379410736.