@article{10_1007_s10587_016_0250_5,
     author = {Grobler, Jacobus J. and Raubenheimer, Heinrich and Swartz, Andre},
     title = {The index for {Fredholm} elements in a {Banach} algebra via a trace {II}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {205--211},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {2016},
     doi = {10.1007/s10587-016-0250-5},
     mrnumber = {3483233},
     zbl = {06587884},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0250-5/}
}