Fröhlich, J.; Studer, U. M. Gauge invariance in non-relativistic many-body theory. (English) Zbl 0947.81570 Schmüdgen, K. (ed.), Mathematical physics X. Proceedings of the 10th congress on mathematical physics, Leipzig, Germany, July 30 - August 9, 1991. Berlin: Springer-Verlag. 165-173 (1992). For the entire collection see [Zbl 0914.00103]. Cited in 1 Document MSC: 81V70 Many-body theory; quantum Hall effect PDFBibTeX XMLCite \textit{J. Fröhlich} and \textit{U. M. Studer}, in: Mathematical physics X. Proceedings of the 10th congress on mathematical physics, Leipzig, Germany, July 30 -- August 9, 1991. Berlin: Springer-Verlag. 165--173 (1992; Zbl 0947.81570)