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Harmonic morphisms between Riemannian manifolds. (English) Zbl 0408.31011

Elliptische Differentialgleichungen, Vortr. Tag. Rostock 1977, 97-104 (1978).

MSC:

31C12 Potential theory on Riemannian manifolds and other spaces
53B20 Local Riemannian geometry
53C20 Global Riemannian geometry, including pinching