Rapport sur les champs symplectiques formels Jacques Vey (1976) Publications du Département de mathématiques (Lyon)
Representations with cohomology in the discrete spectrum of subgroups of SO ( n , 1 ) ( Z ) and Lefschetz numbers Jürgen Rohlfs, Birgit Speh (1987) Annales scientifiques de l'École Normale Supérieure
Restricted Lie algebras with bounded cohomology and related classes of algebras. Helmut Strade, Jörg Feldvoss (1992) Manuscripta mathematica