00752nam0-22002651i-450-990001231720403321000123172FED01000123172(Aleph)000123172FED0100012317220000920d1987----km-y0itay50------baengSubnormal Subgroups of Groupsby LENNOX J C. STONEHEWER S E.OxfordClarendon Press1987.Oxford mathematical monographsLennox,John C.41944Stonehewer,Stewart E.ITUNINARICAUNIMARCBK990001231720403321C-47-(153934MA1MA1Subnormal subgroups of groups348450UNINAING01