1. [1] Albeverio, Sergio; Høegh-Krohn, Raphael; Marion, Jean A.; Testard, Daniel H.; Torrésani, Bruno S. Noncommutative distributions. Unitary representation of gauge groups and algebras, Pure and Applied Mathematics, Volume 175, Marcel Dekker, 1993
2. [2] Bekka, Mohammed E. B. Amenable unitary representations of locally compact groups, Invent. Math., Volume 100 (1990) no. 2, pp. 383-401
3. [3] Bourbaki, Nicolas Topologie Générale I, Hermann, 1971
4. [4] Carderi, Alessandro; Thom, Andreas An exotic group as limit of finite special linear groups, Ann. Inst. Fourier, Volume 68 (2018) no. 1, pp. 257-273
5. [5] Carey, Alan; Grundling, Hendrik On the problem of the amenability of the gauge group, Lett. Math. Phys., Volume 68 (2004) no. 2, pp. 113-120