@article{GT_2016_20_3_a12,
     author = {Lock, Michael and Viaclovsky, Jeff},
     title = {Quotient singularities, eta~invariants, and self-dual metrics},
     journal = {Geometry & topology},
     pages = {1773--1806},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2016},
     doi = {10.2140/gt.2016.20.1773},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2016.20.1773/}
}