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100   $a20020821d1979----km-y0itay50------ba
101 0 $aeng
105   $ay-------001yy
200 1 $aAsymptotic analysis of singular parturbations$fW. Eckhaus
210   $aAmsterdam$cNorth-Holland Publishing Company$d1979
215   $aXI, 287 p.$d23 cm
225 1 $aStudies in mathematics and its applications$v9
676   $a515.35
700  1$aEckhaus,$bWiktor$012826
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
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952   $aC-53-(9$b6278$fMA1
952   $a02 33 E 30$b3192$fFINBN
952   $a02 33 E 31$b3193$fFINBN
959   $aMA1
959   $aFINBN
996   $aAsymptotic analysis of singular parturbations$9347929
997   $aUNINA