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Linee geografiche su un ellissoide a tre assi. (Q2578510)

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scientific article
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Linee geografiche su un ellissoide a tre assi.
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    Linee geografiche su un ellissoide a tre assi. (English)
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    1942
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    Verf. bestimmt auf dem Ellipsoid \(\dfrac{x^2}{a^2}+ \dfrac{y^2}{b^2}+ \dfrac{z^2}{c^2}=1\) die Kurvenfamilien mit folgenden Eigenschaften: 1) Die Normale des Ellipsoids in dem laufenden Punkte der Kurve bildet mit der Achse \(z\) einen konstanten Winkel, 2) Orthogonale Trajektorien der Schnittellipsen \(z =\) const., 3) Orthogonale Trajektorien der Schnittellipsen \(y=cx\) (\(c =\) const.), 4) Orthogonale Trajektorien der unter 1) erwähnten Kurven.
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