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Algorithm 590 : DSUBSP and EXCHQZ : Fortran subroutines for computing deflating subspaces with specified spectrum

Bibliographic reference Van Dooren, Paul. Algorithm 590 : DSUBSP and EXCHQZ : Fortran subroutines for computing deflating subspaces with specified spectrum. In: ACM Transactions on Mathematical Software, Vol. 8, p. 376-382 (1982)
Permanent URL http://hdl.handle.net/2078.1/80978