01877nam0 2200373 i 450 VAN002939920240209085235.82408-17-65390-237-643-5390-2978-30-348-9875-120041203d1996 |0itac50 baengCH|||| |||||On spectral theory of elliptic operatorsYuri Egorov, Vladimir KondratievBaselBirkhäuser1996X, 328 p.24 cm001VAN00366042001 Operator theory: advances and applications210 BaselBirkhäuser8935-XXPartial differential equations [MSC 2020]VANC019763MF35P05General topics in linear spectral theory for PDEs [MSC 2020]VANC021223MF35P15Estimation of eigenvalues in context of PDEs [MSC 2020]VANC021224MF34L05General spectral theory of ordinary differential operators [MSC 2020]VANC022251MF35J15Second order elliptic equations [MSC 2020]VANC022252MFBaselVANL002076EgorovYurii Vladimirovich1938- VANV039141739729KondratievVladimirVANV02430261909Birkhäuser <editore>VANV108193650ITSOL20240216RICAhttps://books.google.it/books?id=6yQGCAAAQBAJ&printsec=frontcover&dq=On+spectral+theory+of+elliptic+operators&hl=it&sa=X&ved=0ahUKEwiNwb2fntnWAhUH2RoKHW2EAhkQ6AEIJjAA#v=onepage&q&f=falsePreviewBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICAIT-CE0120VAN08VAN0029399BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 35-XX 1269 08 4536 I 20041203 On spectral theory of elliptic operators1465741UNICAMPANIA