@article{TSG_1997-1998__16__33_0, author = {Bernd Ammann}, title = {The {Dirac} operator on collapsing $S^1$-bundles}, journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie}, pages = {33--42}, publisher = {Institut Fourier}, address = {Grenoble}, volume = {16}, year = {1997-1998}, doi = {10.5802/tsg.195}, zbl = {0935.58014}, language = {en}, url = {https://proceedings.centre-mersenne.org/articles/10.5802/tsg.195/} }