@article{CMH_1967__42_139336, author = {Max-Albert Knus}, title = {Sur une classe d'alg\`ebres filtr\'ees.}, journal = {Commentarii mathematici Helvetici}, pages = {111--131}, publisher = {mathdoc}, volume = {42}, year = {1967}, zbl = {0154.27401}, url = {http://geodesic.mathdoc.fr/item/CMH_1967__42_139336/} }