Shubin, M A. Ed.
Partial Differential Equations VII : Spectral Theory of Differential Operators - Berlin Springer 1994 - 272 - Encyclopaedia of mathematical sciences ; 00064 .
3540546774
Differential Equations, Partial-
51(02) EMS
Partial Differential Equations VII : Spectral Theory of Differential Operators - Berlin Springer 1994 - 272 - Encyclopaedia of mathematical sciences ; 00064 .
3540546774
Differential Equations, Partial-
51(02) EMS