Nessonov, N. I. Description of representations of a group of invertible operators in Hilbert spaces containing the identity representation of a unitary subgroup. (Russian) Zbl 0517.22017 Funkts. Anal. Prilozh. 17, No. 1, 79-80 (1983). MSC: 22E65 PDFBibTeX XMLCite \textit{N. I. Nessonov}, Funkts. Anal. Prilozh. 17, No. 1, 79--80 (1983; Zbl 0517.22017)
Golodets, V. Ya.; Nessonov, N. I. Invariante Zustände auf asymptotisch Abelschen Faktoren des Typs III. (Russian) Zbl 0417.46063 Funkts. Anal. Prilozh. 13, No. 2, 81-82 (1979). MSC: 46L30 46L10 46L35 22D25 PDFBibTeX XMLCite \textit{V. Ya. Golodets} and \textit{N. I. Nessonov}, Funkts. Anal. Prilozh. 13, No. 2, 81--82 (1979; Zbl 0417.46063)