@article{JRAM_1992__424_153392, author = {Stefan Bauer}, title = {Some nonreduced moduli of bundles and {Donaldson} invariants for {Dolgachev} surfaces.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {149--180}, publisher = {mathdoc}, volume = {424}, year = {1992}, zbl = {0747.14009}, url = {http://geodesic.mathdoc.fr/item/JRAM_1992__424_153392/} }