@article{10_4064_sm_89_2_159_168,
     author = {Mariusz Lema\'nczyk},
     title = {Factors of coalescent automorphisms},
     journal = {Studia Mathematica},
     pages = {159--168},
     publisher = {mathdoc},
     volume = {89},
     number = {2},
     year = {1988},
     doi = {10.4064/sm-89-2-159-168},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-89-2-159-168/}
}