Burtnyak, I.V., Yu.Yu. Chopyuk, S.I. Vasylyshyn, and T.V. Vasylyshyn. “Algebras of Weakly Symmetric Functions on Spaces of Lebesgue Measurable Functions”. Carpathian Mathematical Publications 15, no. 2 (November 14, 2023): 411–419. Accessed May 9, 2024. https://scijournals.pnu.edu.ua/index.php/cmp/article/view/7002.