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2
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4
Published: 2004.
Superior document: Memoirs of the American Mathematical Society, Volume 169, Number 801
5
Published: [2007]
Superior document: Contemporary mathematics, volume 426
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6
Published: c2008.
Superior document: Lecture notes of the Unione Matematica Italiana, 5
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7
Published: c2008.
Superior document: Series on advances in mathematics for applied sciences ; v. 76
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