Vasylyshyn, T. V., and A. V. Zagorodnyuk. 2018. “Continuous Symmetric 3-Homogeneous Polynomials on Spaces of Lebesgue Measurable Essentially Bounded Functions”. Methods of Functional Analysis and Topology 24 (4): 381-98. https://zen.imath.kiev.ua/index.php/mfat/article/view/707.