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The integral invariants of parallel timelike ruled surfaces - MaRDI portal

The integral invariants of parallel timelike ruled surfaces (Q432345)

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scientific article; zbMATH DE number 6052835
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English
The integral invariants of parallel timelike ruled surfaces
scientific article; zbMATH DE number 6052835

    Statements

    The integral invariants of parallel timelike ruled surfaces (English)
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    4 July 2012
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    ruled surfaces
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    time-like surfaces
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    parallel surfaces
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    dual angle of pitch
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