@article{MZ_1972__126_171737,
     author = {Gilbert Baumslag},
     title = {Some {Remarks} about {Multiplicators} and {Finitely} {Presented} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {239--242},
     publisher = {mathdoc},
     volume = {126},
     year = {1972},
     zbl = {0253.20044},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__126_171737/}
}