Applications of Mathematics Trung Dinh Tran Spectral sets and the Drazin inverse with applications to second order diferential equations Applications of Mathematics, Vol. 47 (2002), No. 1, 1–8 Persistent URL: http://dml.cz/dmlcz/134481 Terms of use: © Institute of Mathematics AS CR, 2002 Institute of Mathematics of the Czech Academy of Sciences provides access to digitized documents strictly for personal use. Each copy of any part of this document must contain these Terms of use. This document has been digitized, optimized for electronic delivery and stamped with digital signature within the project DML-CZ: The Czech Digital Mathematics Library http://dml.cz