TY  - BOOK
TI  - Spectra of partial differential operators
T2  - North-Holland series in applied mathematics and mechanics
SN  - 044487822X (U.S.)
PY  - 1986///
CY  - Amsterdam ; | New York : | New York, N.Y., U.S.A.
PB  - North-Holland ; | Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co.
N1  - Includes index
ER  -