Preprintreihe des Chemnitzer SFB 393 ISSN 1619-7178 (Print), ISSN 1619-7186 (Internet) 04-09: C. Pester : Hamiltonian eigenvalue symmetry for quadratic operator eigenvalue problems (October 2004) PostScript (gzip) [] PDF []
ISSN 1619-7178 (Print), ISSN 1619-7186 (Internet)