@article{HVo03,
     AUTHOR = {Hochstenbach, Michiel E. and van der Vorst, Henk A.},
      TITLE = {Alternatives to the {R}ayleigh quotient for the quadratic
               eigenvalue problem},
    JOURNAL = {SIAM J. Sci. Comput.},
   FJOURNAL = {SIAM Journal on Scientific Computing},
     VOLUME = {25},
       YEAR = {2003},
     NUMBER = {2},
      PAGES = {591--603},
    MRCLASS = {65F15},
}