@article{10_4064_fm_83_1_67_74,
     author = {A. Smajdor},
     title = {On some special iteration groups},
     journal = {Fundamenta Mathematicae},
     pages = {67--74},
     publisher = {mathdoc},
     volume = {83},
     number = {1},
     year = {1973},
     doi = {10.4064/fm-83-1-67-74},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-83-1-67-74/}
}