Tykhonenko D, Yamnenko R, Kuchinka K. Improvement of characterization inequality for norms of  φ-sub-Gaussian random variable. BTSNUKPhM [Internet]. 2025 Dec. 23 [cited 2026 Sep. 24];81(2):82-6. Available from: https://bphm.knu.ua/bphm/article/view/603