@article{JLT_2008_18_2_JLT_2008_18_2_a10,
     author = {N. Inassaridze and E. Khmaladze and M. Ladra },
     title = {Non-Abelian {Cohomology} and {Extensions} of {Lie} {Algebras}},
     journal = {Journal of Lie theory},
     pages = {413--432},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/JLT_2008_18_2_JLT_2008_18_2_a10/}
}