@article {LieTic04b,
    AUTHOR = {Liesen, J\"org and Tich\'y, Petr},
     TITLE = {Convergence analysis of {K}rylov subspace methods},
   JOURNAL = {GAMM-Mitt.},
  FJOURNAL = {GAMM-Mitteilungen},
    VOLUME = {27},
      YEAR = {2004},
    NUMBER = {2},
     PAGES = {153--173},
}