01814nam0 2200361 i 450 SUN002939920210412041429.96437-643-5390-20.0008-17-65390-2978-30-348-9875-120041203d1996 |0engc50 baengCH|||| |||||*On spectral theory of elliptic operatorsYuri Egorov, Vladimir KondratievBaselBirkhäuser1996X, 328 p.24 cm.001SUN00366042001 *Operator theoryadvances and applications89210 BaselBirkhäuser1979-.35-XXPartial differential equations [MSC 2020]MFSUNC01976335P05General topics in linear spectral theory for PDEs [MSC 2020]MFSUNC02122335P15Estimation of eigenvalues in context of PDEs [MSC 2020]MFSUNC02122434L05General spectral theory of ordinary differential operators [MSC 2020]MFSUNC02225135J15Second order elliptic equations [MSC 2020]MFSUNC022252BaselSUNL002076Egorov, Yurii Vladimirovich1938- SUNV039141739729Kondratiev, VladimirSUNV02430261909BirkhäuserSUNV000319650ITSOL20210419RICAhttps://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=falsePreviewSUN0029399UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 35-XX 1269 08 4536 I 20041203 On spectral theory of elliptic operators1465741UNICAMPANIA