01813nam0 22003973i 450 VAN026050720230922031527.391N978354037024620230629d1977 |0itac50 baengDE|||| |||||ˆThe ‰Deficiency Index Problem for Powers of Ordinary Differential ExpressionsRobert M. Kauffman, Thomas T. Read, Anton ZettlBerlinSpringer1977vi, 112 p.24 cm001VAN01022502001 Lecture notes in mathematics210 Berlin [etc.]Springer62134-XXOrdinary differential equations [MSC 2020]VANC021251MF34B20Weyl theory and its generalizations for ordinary differential equations [MSC 2020]VANC023302MFDifferential operatorsKW:KFunctionsKW:KOrdinary differential equationsKW:KPerturbationKW:KPerturbation TheoryKW:KBerlinVANL000066KauffmanRobert M.VANV214630438332ReadThomas T.VANV21463148156ZettlAntonVANV04215248157Springer <editore>VANV108073650ITSOL20240614RICAhttps://doi.org/10.1007/BFb0064277E-book – Accesso al full-text attraverso riconoscimento IP di Ateneo, proxy e/o ShibbolethBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICAIT-CE0120VAN08NVAN0260507BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08CONS e-book 6079 08eMF6079 20230710 Deficiency index problem for powers of ordinary differential expressions80798UNICAMPANIA