Muller, E. (1981). Spectral theory of ordinary differential operators. Ellis Horwood.
Chicago Edition CitationMuller, Erich. Spectral Theory of Ordinary Differential Operators. Chichester: Ellis Horwood, 1981.
MLA Edition CitationMuller, Erich. Spectral Theory of Ordinary Differential Operators. Ellis Horwood, 1981.
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