Case number 41

Closed polyhedrons without self-penetration Nonrigid rotational surfaces Closed polyhedrons without self-penetration Closed polyhedrons without self-penetration
Closed polyhedrons without self-penetration Closed polyhedrons without self-penetration Closed polyhedrons without self-penetration Nodoid
Nodoid Onduloid with geodetic lines. Catenoid with geodetic lines. Ellipsoid, confocal single- and double-leaf hyperboloid
Ellipsoid and confocal double-leaf hyperboloid Peano surface Two gypsum cylinders Normal curvature circle in an elliptic surface point
Normal curvature circle in a hyperbolic surface point Normal curvature circle in a parabolic point Jacobi amplitude To the permutability of the differentiation sequence
To the permutability of the differentiation sequence Area of third order to the theory of parabolic points Area of third order to the theory of parabolic points

The corresponding bottom case is: Case number U 41

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