@article{Pan2019, author = "Wenliang Pan and Xueqin Wang and Heping Zhang and Hongtu Zhu and Jin Zhu", title = "{Ball Covariance: A Generic Measure of Dependence in Banach Space}", year = "2019", month = "4", url = "https://tandf.figshare.com/articles/journal_contribution/Ball_Covariance_A_Generic_Measure_of_Dependence_in_Banach_Space/7590863", doi = "10.6084/m9.figshare.7590863.v2" }