@article{JLT_2013_23_4_JLT_2013_23_4_a12,
     author = {N. E. Rojas },
     title = {Minimal {Faithful} {Representation} of the {Heisenberg} {Lie} {Algebra} with {Abelian} {Factor}},
     journal = {Journal of Lie theory},
     pages = {1105--1114},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/JLT_2013_23_4_JLT_2013_23_4_a12/}
}