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Using distributional techniques we calculate the energy--momentum tensor ofthe Schwarzschild geometry. It turns out to be a well--definedtensor--distribution concentrated on the $r=0$ region which is usually excludedfrom space--time. This provides a physical interpretation for the curvature ofthis geometry.Comment: 12 pages, latex, TUW-93-1

The energy-momentum tensor of a black hole, or what curves the Schwarzschild geometry?