@article{MZ_1961__75_169901,
     author = {Gilbert Baumslag},
     title = {Wreath products and finitely presented groups.},
     journal = {Mathematische Zeitschrift},
     pages = {22--28},
     publisher = {mathdoc},
     volume = {75},
     year = {1961},
     zbl = {0090.24402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__75_169901/}
}