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*1001 $aLions, J.L.$0(NO-TrBIB)90064796$_39691100
*24510$aPerturbations singulières dans les problèmes aux limites et en contrôle optimal$c[par] J. L. Lions
*260  $aBerlin$bSpringer-Verlag$c1973
*300  $aXII, 645 s.$bill.
*4901 $aLecture notes in mathematics$v323
*650 0$aControl theory$_38684500
*650 0$aDifferential equations, Partial$_31104700
*650 0$aMathematical optimization$_15232000
*650 0$aSingular perturbations (Mathematics)$_54999900
*7760 $tPerturbations Singulières dans les Problèmes aux Limites et en Contrôle Optimal$w991145578614702201
*830 0$aLecture notes in mathematics$v323$_13174700
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