@incollection{AST_1984__113-114__263_0,
     author = {L\"ofwall, Clas},
     title = {On the centre of graded {Lie} algebras},
     booktitle = {Homotopie alg\'ebrique et alg\`ebre locale},
     series = {Ast\'erisque},
     pages = {263--267},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {113-114},
     year = {1984},
     zbl = {0569.17008},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1984__113-114__263_0/}
}