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*035  $a(NO-LaBS)14093710(bibid)
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*1001 $aBirkeland, Richard$d1879-1928$0(NO-TrBIB)34196$_40329700
*24510$aRecherches sur quelques problèmes mathématiques importants dans les applications
*260  $aChristiania$c1918
*300  $a39 s.
*500  $aSærtrykk av: Vidsk.Selsk. skrifter. Kl. I, 1917, no 2
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*999  $aoai:nb.bibsys.no:999516583364702202$b2021-11-14T20:03:33Z$z999516583364702202
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