La Astronomía griega.
José María Torroja Menéndez (1986)
Historia de la Matemática
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José María Torroja Menéndez (1986)
Historia de la Matemática
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José María Torroja Menéndez (1988)
Historia de la Matemática
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Carlos Simó (1973)
Collectanea Mathematica
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José María Torroja Menéndez (1992)
Historia de la Matemática
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Darío Maravall Casesnoves (1969)
Gaceta Matemática
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André Deprit, Teodoro López Moratalla (1996)
Revista Matemática de la Universidad Complutense de Madrid
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For a satellite about an oblate planet in rotation about its axis of greatest inertia, conditions are given under which there may appear, in a frame fixed in the planet, two positions of equilibria with characteristic exponents that are purely imaginary. In which case, after appropriate normalization by Lie transformation executed mechanically through a symbolic algebraic processor, the theorem of Arnold about non definite quadratic forms is applied. It is concluded that the equilibria...
Mateo F. Chicarro (1959)
Gaceta Matemática
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Mateo F. Chicarro (1958)
Gaceta Matemática
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M. Sánchez López (1966)
Gaceta Matemática
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Darío Maravall (1988)
Historia de la Matemática
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