Myronyuk MV. On the Skitovich-Darmois theorem and Heyde theorem in a Banach space. Ukr. Mat. Zhurn. [Internet]. 2008 Sep. 25 [cited 2025 Dec. 5];60(9):1234–1242. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3239