Davies, E. B. (1995). Spectral theory and differential operators. Cambridge University Press.
Stile di citazione ChicagoDavies, E. B. Spectral Theory and Differential Operators. Cambridge ; New York: Cambridge University Press, 1995.
Citazione MLADavies, E. B. Spectral Theory and Differential Operators. Cambridge University Press, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.