Vasylyshyn, T. and Zagorodnyuk, A. (2009) “Polarization formula and polarization inequality for $(p,q)$-linear maps”, *Carpathian Mathematical Publications*, 1(2), pp. 128–144. Available at: https://journals.pnu.edu.ua/index.php/cmp/article/view/4008 (Accessed: 18 June 2024).