@article{EXMATH_2004_2004_1_a17,
     author = {Benjumea, J. C. and Echarte, F. J. and N\'u\~nez, J.,Tenorio, A. F.},
     title = {Una obstrucci\'on para representar \'algebras de {Lie} abelianas mediante matrices unipotentes.},
     journal = {Extracta mathematicae},
     pages = {269-277},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2004_2004_1_a17/}
}