@article{JOLT_2009_19_3_a9,
     author = {Michael Entov and Leonid Polterovich},
     title = {Lie {Quasi-States}},
     journal = {Journal of Lie Theory},
     pages = {613--637},
     year = {2009},
     volume = {19},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2009_19_3_a9/}
}