Hansen, Vagn Lundsgaard

• MATHEMATICA SCANDINAVICA Vol. 30 (1972) - Articles
  On the Homotopy Type of Certain Spaces of Differentiable Maps.
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• MATHEMATICA SCANDINAVICA Vol. 35 (1974) - Articles
  On the Space of Maps of a Closed Surface into the 2-Sphere.
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• MATHEMATICA SCANDINAVICA Vol. 64 (1989) - Articles
  The characteristic algebra of a polynomial covering map.
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