@article{10_4064_fm_49_3_259_269,
     author = {Andrzej Mostowski},
     title = {Nilpotent free groups},
     journal = {Fundamenta Mathematicae},
     pages = {259--269},
     publisher = {mathdoc},
     volume = {49},
     number = {3},
     year = {1960},
     doi = {10.4064/fm-49-3-259-269},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-49-3-259-269/}
}