@article{GT_2021_25_5_a3,
     author = {Berwick-Evans, Daniel},
     title = {Supersymmetric field theories and the elliptic index theorem with complex coefficients},
     journal = {Geometry & topology},
     pages = {2287--2384},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {2021},
     doi = {10.2140/gt.2021.25.2287},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.2287/}
}