Cordes, H. O. (1987). Spectral theory of linear differential operators and comparison algebras (1. publ.). Cambridge Univ. Pr.
Chicago Style (17th ed.) CitationCordes, Heinz O. Spectral Theory of Linear Differential Operators and Comparison Algebras. 1. publ. Cambridge u.a: Cambridge Univ. Pr, 1987.
MLA (9th ed.) CitationCordes, Heinz O. Spectral Theory of Linear Differential Operators and Comparison Algebras. 1. publ. Cambridge Univ. Pr, 1987.
Warning: These citations may not always be 100% accurate.