@article{JLT_2017_27_3_JLT_2017_27_3_a10,
     author = {J. A. Wolf},
     title = {Stepwise {Square} {Integrability} for {Nilradicals} of {Parabolic} {Subgroups} and {Maximal} {Amenable} {Subgroups}},
     journal = {Journal of Lie theory},
     pages = {845--886},
     year = {2017},
     volume = {27},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JLT_2017_27_3_JLT_2017_27_3_a10/}
}