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      <subfield code="a">Cobos Díaz, Fernando</subfield>
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      <subfield code="a">Fernández-Cabrera Marín, Luz María</subfield>
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      <subfield code="a">Martínez, Antón</subfield>
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      <subfield code="c">2005</subfield>
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      <subfield code="a">The paper establishes necessary and sufficient conditions for compactness of operators acting between general K -spaces, general J -spaces and operators acting from a J -space into a K -space. Applications to interpolation of compact operators are also given.</subfield>
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      <subfield code="a">Compact operators between K - and J -spaces</subfield>
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