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Spin-structures and 2-fold coverings
Gonçalves, Daciberg L., Hayat, Claude, Mello, Maria HermÃnia P. L.Volume:
23
Journal:
Boletim da Sociedade Paranaense de Matemática
DOI:
10.5269/bspm.v23i1-2.7451
Date:
June, 2009
File:
PDF, 261 KB
2009