@article{ASENS_2003_4_36_5_793_0,
     author = {Felix, Yves and Halperin, Stephen and Thomas, Jean-Claude},
     title = {Graded {Lie} algebras with finite polydepth},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {793--804},
     publisher = {Elsevier},
     volume = {Ser. 4, 36},
     number = {5},
     year = {2003},
     doi = {10.1016/j.ansens.2003.01.002},
     mrnumber = {2032987},
     zbl = {1066.17019},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.ansens.2003.01.002/}
}