@article{MAN_1995__302_2_165341,
     author = {Peter B. Gilkey and Boris Botvinnik},
     title = {The eta invariant and metrics of positive scalar curvature.},
     journal = {Mathematische Annalen},
     pages = {507--518},
     publisher = {mathdoc},
     volume = {302},
     number = {2},
     year = {1995},
     zbl = {0835.58034},
     url = {http://geodesic.mathdoc.fr/item/MAN_1995__302_2_165341/}
}