Davies, E. B. (1995). Spectral theory and differential operators. Cambridge University Press.
Dyfyniad Arddull ChicagoDavies, E. B. Spectral Theory and Differential Operators. Cambridge ; New York: Cambridge University Press, 1995.
Dyfyniad MLADavies, E. B. Spectral Theory and Differential Operators. Cambridge University Press, 1995.
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