%0 Journal Article %A R. V. Mikhailov %T Transfinite Lower Central Series of Groups: Parafree Properties and Topological Applications %J Informatics and Automation %D 2002 %P 251-267 %V 239 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2002_239_a15/ %G ru %F TRSPY_2002_239_a15