@article{JLT_2020_30_3_JLT_2020_30_3_a1,
     author = {D. Sercombe},
     title = {The {Length} and {Depth} of {Real} {Algebraic} {Groups}},
     journal = {Journal of Lie theory},
     pages = {627--652},
     year = {2020},
     volume = {30},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JLT_2020_30_3_JLT_2020_30_3_a1/}
}