Shubin, M. A. (1994). Partial differential equations VII: Spectral theory of differential operators. Springer-Verlag.
Chicago Style (17th ed.) CitationShubin, M. A. Partial Differential Equations VII: Spectral Theory of Differential Operators. Berlin ; Heidelberg: Springer-Verlag, 1994.
MLA (9th ed.) CitationShubin, M. A. Partial Differential Equations VII: Spectral Theory of Differential Operators. Springer-Verlag, 1994.
Warning: These citations may not always be 100% accurate.