@article{CMUC_1963__4_2_a0,
     author = {Marek, Ivo},
     title = {Kellogg's iterations with minimizing parameters},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {53--64},
     publisher = {mathdoc},
     volume = {04},
     number = {2},
     year = {1963},
     mrnumber = {0172459},
     zbl = {0138.39302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1963__4_2_a0/}
}