@article{10_4064_fm_126_2_107_121,
     author = {Lee Mohler and Lex Oversteegen},
     title = {Reduction and irreducibility for words and tree-words},
     journal = {Fundamenta Mathematicae},
     pages = {107--121},
     publisher = {mathdoc},
     volume = {126},
     number = {2},
     year = {1985},
     doi = {10.4064/fm-126-2-107-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-126-2-107-121/}
}