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Found 4 Documents (Results 1–4)

A generalization of the theorems of alternation and non-oscillation for differential-operator equations of arbitrary even order. (English. Russian original) Zbl 1499.34232

J. Math. Sci., New York 196, No. 5, 632-643 (2014); translation from Ukr. Mat. Visn. 10, No. 3, 317-332 (2013).
MSC:  34C10
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Connection between spectral and oscillation properties of differential- operator equations of arbitrary order. II: Applications of factorization and squaring. (English. Russian original) Zbl 0695.34022

J. Sov. Math. 49, No. 4, 1106-1113 (1990); translation from Teor. Funkts., Funkts. Anal. Prilozh. 49, 101-111 (1988).
MSC:  34L99 34C10 47E05
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The connection between spectral and oscillation properties of differential-operator equations of arbitrary order. I: Sturm type theorems. (English. Russian original) Zbl 0699.34034

J. Sov. Math. 49, No. 2, 919-926 (1990); translation from Teor. Funkts., Funkts. Anal. Prilozh. 48, 101-111 (1987).
MSC:  34C05 47E05
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