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@article{JRAM_1970__244_151045, author = {Nickolas Heerema}, title = {A group of a {Lie} algebra.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {112--118}, publisher = {mathdoc}, volume = {244}, year = {1970}, zbl = {0205.05303}, url = {http://geodesic.mathdoc.fr/item/JRAM_1970__244_151045/} }
Nickolas Heerema. A group of a Lie algebra.. Journal für die reine und angewandte Mathematik, Tome 244 (1970), pp. 112-118. http://geodesic.mathdoc.fr/item/JRAM_1970__244_151045/