@article{JOLT_2013_23_4_a12,
     author = {Nadina E. Rojas},
     title = {Minimal {Faithful} {Representation} of the {Heisenberg} {Lie} {Algebra} with {Abelian} {Factor}},
     journal = {Journal of Lie Theory},
     pages = {1105--1114},
     year = {2013},
     volume = {23},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2013_23_4_a12/}
}