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@article{MZ_1973__135_171993, author = {Martin L. Newell}, title = {Splitting {Theorems} and {Engel} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {37--42}, publisher = {mathdoc}, volume = {135}, year = {1973}, zbl = {0258.20043}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__135_171993/} }
Martin L. Newell. Splitting Theorems and Engel Groups.. Mathematische Zeitschrift, Tome 135 (1973), pp. 37-42. http://geodesic.mathdoc.fr/item/MZ_1973__135_171993/