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040   $aDip.to Matematica$beng
082 0 $a515.72
084   $aAMS 47-XX
084   $aAMS 47A
084   $aQA329.2
100 1 $aDowson, Henry R.$041928
245 10$aSpectral theory of linear operators /$cH. R. Dowson
260   $aLondon ; New York :$bAcademic Press,$c1978
300   $axii, 422 p. ;$c24 cm.
490 0 $aL.M.S. Monographs ;$v12
500   $aBibliography: p. 403-417.
500   $aIncludes indexes
650  4$aLinear operators
650  4$aSpectral theory
907   $a.b10837528$b23-02-17$c28-06-02
912   $a991001366149707536
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996   $aSpectral theory of linear operators$9191473
997   $aUNISALENTO
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
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200 10$aSexual activity, contraceptive use, and childbearing of teenagers aged 15-19 in the United States /$fGladys M. Martinez and Joyce C. Abma
210  1$aHyattsville, Md. :$cU.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics,$d2015.
215   $a1 online resource (8 unnumbered pages) $cillustrations
225 1 $aNCHS data brief,$x1941-4935 ;$vno. 209
225 1 $aDHHS publication ;$vno. 2015-1209
300   $aTitle from caption (viewed Sept. 11, 2015).
300   $a"July 2015."
320   $aIncludes bibliographical references (page [8]).
606   $aTeenagers$xSexual behavior$zUnited States$vStatistics
606   $aContraception$zUnited States$vStatistics
606   $aTeenage pregnancy$zUnited States$vStatistics
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700   $aMartinez$b Gladys$01389900
702   $aAbma$b Joyce C.
712 02$aNational Center for Health Statistics (U.S.),
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