Ponomarov, R. V., and T. V. Vasylyshyn. “Algebraic Bases of Some Algebras of Polynomials on Banach Spaces”. Matematychni Studii 64, no. 1 (September 22, 2025): 81-91. Accessed December 7, 2025. http://www.matstud.org.ua/ojs/index.php/matstud/article/view/661.