Ivochkina, N. and Filimonenkova, N. V. (2018) “On two symmetries in the theory of $m$-Hessian operators”, Topological Methods in Nonlinear Analysis, 52(1), pp. 31–47. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.2017.035 (Accessed: 26 April 2024).