@article{10_4064_fm_46_2_225_229,
     author = {B. Banaschewski},
     title = {On transfinite iteration},
     journal = {Fundamenta Mathematicae},
     pages = {225--229},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1958},
     doi = {10.4064/fm-46-2-225-229},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-46-2-225-229/}
}