Sur l'allure asymptotique des solutions de l'équation différentielle u'' + a(t)u' + b(t)u = 0
Z. Opial (1959)
Annales Polonici Mathematici
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Z. Opial (1959)
Annales Polonici Mathematici
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Z. Opial (1958)
Annales Polonici Mathematici
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Z. Opial (1960)
Annales Polonici Mathematici
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Z. Opial (1958)
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Marko Švec (1957)
Czechoslovak Mathematical Journal
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Z. Opial (1958)
Annales Polonici Mathematici
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Z. Opial (1959)
Annales Polonici Mathematici
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