TY  - JOUR
AU  - James E. Roseblade
TI  - The Derived Series of a Join of Subnormal Sugroups.
JO  - Mathematische Zeitschrift
PY  - 1970
SP  - 57
EP  - 69
VL  - 117
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1970__117_171407/
ID  - MZ_1970__117_171407
ER  -