LEADER 01031nam2-2200337li-450 001 990003342620203316 005 20180918160658.0 010 $a0-7204-2606-5 035 $a000334262 035 $aUSA01000334262 035 $a(ALEPH)000334262USA01 035 $a000334262 100 $a2002009111973-------y0itay0103----ba 101 0 $aeng 102 $aBE 200 1 $aMatched asymptotic expansions and singular perturbations$fWiktor Eckhaus 210 $aAmsterdam [etc.]$cNorth-Holland$d1973 215 $a145 p.$cill.$d24 cm 225 2$aNorth-Holland mathematics studies$v6 410 1$1001000334222$12001$aNorth-Holland mathematics studies$v6 610 1 $aMatematica 676 $a510 700 1$aECKHAUS,$bWiktor$012826 801 $aIT$bsalbc$gISBD 912 $a990003342620203316 951 $a510 NMS 6$b6471/CBS$c510$d00111501 959 $aBK 969 $aSCI 979 $aRSIAV6$b90$c20091102$lUSA01$h1106 996 $aMatched asymptotic expansions and singular perturbations$9437491 997 $aUNISA