A generalization of the tan 2θ theorem
Basel [u.a.] / Birkhäuser (2004) [Contribution to a book, Contribution to a conference proceedings]
Current trends in operator theory and its applications : [International Workshop on Operator Theory and Its Applications (IWOTA), held at Virginia Tech, Blacksburg, Virginia, from August 6 till August 9, 2002] / Joseph A. Ball ... ed.
- REPORT NUMBER: RWTH-CONV-184025