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1. The technique of pseudodifferential operators by Cordes, H. O. Publication: Cambridge [England] ; | New York : Cambridge University Press, 1995 . 1 online resource (xii, 382 p.) : Date:1995 Availability: No items available: Actions: Add to cart
2. Spectral theory of linear differential operators and comparison algebras by Cordes, H. O. Publication: Cambridge ; | New York : Cambridge University Press, 1987 . 1 online resource (356 p.) Date:1987 Availability: No items available: Actions: Add to cart