@article{RM_2008_63_4_a7,
     author = {A. S. Dzhumadil'daev and A. B. Bakirova},
     title = {Commutative central extensions of {Lie} algebras},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {776--777},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2008_63_4_a7/}
}