Irreducible unitary representations of the group $\operatorname{Diff}(S^2,\omega)$ of functional dimension two
M. I. Golenishcheva-Kutuzova

This publication is cited in the following articles:

1. E. M. Semenov, F. A. Sukochev, “The Banach–Saks index”, Sb. Math., 195:2 (2004), 263–285