Fotiy, O.G., A.I. Gumenchuk, and M.M. Popov. “More on the Extension of Linear Operators on Riesz Spaces”. Carpathian Mathematical Publications 14, no. 2 (July 27, 2022): 327–331. Accessed November 21, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/5318.