Publisher
Springer Science and Business Media LLC
Reference15 articles.
1. Atiyah, M. F., Dupont, J. L.: Vector fields with finite singularities. Acta Math. 128 (1972), 1–40
2. Donaldson, S. K.: The orientation of Yang-Mills moduli spaces and 4-manifold topology. J. Diff. Geom. 26 (1987), 397–428
3. Freedman, M.: The topology of four-dimensional manifolds. J. Diff. Geom. 17 (1982), 357–453
4. Hirzebruch, F., Hopf, H.: Felder von Flachenelementen in 4-dimensionalen Mannigfaltigkeiten. Math. Ann. 136 (1958), 156–172
5. James, I. M.: The topology of Stiefel manifolds. London Math. Soc. Lecture Note Series, No. 24. Cambridge University Press, 1976