Pryimak, H.M. “On Approximation of Homomorphisms of Algebras of Entire Functions on Banach Spaces”. Carpathian Mathematical Publications 11, no. 1 (June 30, 2019): 158–162. Accessed November 25, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/1517.