@article{CMUC_1960_1_4_a2,
     author = {Marek, I.},
     title = {On interations of bounded linear operators and {Kellog's} iterations in not self-adjoint eigenvalue problems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {12--21},
     year = {1960},
     volume = {1},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1960_1_4_a2/}
}