LEADER 01816nam0 22003973i 450 001 VAN00260507 005 20240806101502.123 017 70$2N$a9783540370246 100 $a20230629d1977 |0itac50 ba 101 $aeng 102 $aDE 105 $a|||| ||||| 200 1 $aˆThe ‰Deficiency Index Problem for Powers of Ordinary Differential Expressions$fRobert M. Kauffman, Thomas T. Read, Anton Zettl 210 $aBerlin$cSpringer$d1977 215 $avi, 112 p.$d24 cm 461 1$1001VAN00102250$12001 $aLecture notes in mathematics$1210 $aBerlin [etc.]$cSpringer$v621 606 $a34-XX$xOrdinary differential equations [MSC 2020]$3VANC021251$2MF 606 $a34B20$xWeyl theory and its generalizations for ordinary differential equations [MSC 2020]$3VANC023302$2MF 610 $aDifferential operators$9KW:K 610 $aFunctions$9KW:K 610 $aOrdinary differential equations$9KW:K 610 $aPerturbation$9KW:K 610 $aPerturbation Theory$9KW:K 620 $dBerlin$3VANL000066 700 1$aKauffman$bRobert M.$3VANV214630$0438332 701 1$aRead$bThomas T.$3VANV214631$048156 701 1$aZettl$bAnton$3VANV042152$048157 712 $aSpringer $3VANV108073$4650 801 $aIT$bSOL$c20241115$gRICA 856 4 $uhttps://doi.org/10.1007/BFb0064277$zE-book ? Accesso al full-text attraverso riconoscimento IP di Ateneo, proxy e/o Shibboleth 899 $aBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA$1IT-CE0120$2VAN08 912 $fN 912 $aVAN00260507 950 $aBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA$d08DLOAD e-book 6079 $e08eMF6079 20230710 996 $aDeficiency index problem for powers of ordinary differential expressions$980798 997 $aUNICAMPANIA