@第{zbMATH07597052条，作者={张，健，李，杰}，标题={高维非参数协方差模型的因子化估计}，FJournal＝{斯堪的纳维亚统计杂志}，日志={Scand.J.Stat.}，ISSN={0303-6898}，体积={49}，数字={2}，Pages={542-567}，年份={2022}，语言={英语}，DOI={10.1111/sjos.12529}，关键词={62H12,62G07,62J07,62G20,62P05}，zbMATH={7597052}，Zbl={1496.62098}}