User contributions for 220.68.68.46
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3 August 2012
- 18:2518:25, 3 August 2012 diff hist +9,279 N Second fundamental form →Hypersurface in a Riemannian manifold
- 05:5605:56, 3 August 2012 diff hist +3,506 N Scleronomous →Example: pendulum