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One-dimensional boundary-value problems with operators not reducing the number of changes of sign. I - MaRDI portal

One-dimensional boundary-value problems with operators not reducing the number of changes of sign. I (Q1236308)

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scientific article; zbMATH DE number 3549600
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One-dimensional boundary-value problems with operators not reducing the number of changes of sign. I
scientific article; zbMATH DE number 3549600

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    One-dimensional boundary-value problems with operators not reducing the number of changes of sign. I (English)
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    1977
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