On the mean, Gauss, the second Gaussian and the second mean curvature of the helicoidal surfaces with light-like axis in \(\mathbb R_1^3\) (Q946944)

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scientific article; zbMATH DE number 5347937
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On the mean, Gauss, the second Gaussian and the second mean curvature of the helicoidal surfaces with light-like axis in \(\mathbb R_1^3\)
scientific article; zbMATH DE number 5347937

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    On the mean, Gauss, the second Gaussian and the second mean curvature of the helicoidal surfaces with light-like axis in \(\mathbb R_1^3\) (English)
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    29 September 2008
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