Zaitsev, Andrey Yu., Abram M. Kagan, and Yakov Yu. Nikitin. “To the History of Saint-Petersburg School of Probability and Statistics. IV. Characterization of Distributions and Limit Theorems in Statistics”. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 6, no. 1 (August 17, 2020): 53–80. Accessed May 18, 2024. https://math-mech-astr-journal.spbu.ru/article/view/8431.