@article{01133014,
title = {Abelian extensions of Lie bialgebras. (Extensions ab\'eliennes des big\`ebres de Lie.)},
journal = {Journal of Lie Theory},
volume = {8},
year = {1998},
pages = {173-182},
zbl = {0919.17017},
language = {en},
url = {http://dml.mathdoc.fr/item/01133014}
}
Benayed, Miloud. Abelian extensions of Lie bialgebras. (Extensions abéliennes des bigèbres de Lie.). Journal of Lie Theory, Tome 8 (1998) pp. 173-182. http://gdmltest.u-ga.fr/item/01133014/