TY  - JOUR
AU  - Peter Yff
TI  - Groups with Identical Subgroups Structures.
JO  - Mathematische Zeitschrift
PY  - 1967
SP  - 178
EP  - 181
VL  - 99
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1967__99_170773/
ID  - MZ_1967__99_170773
ER  -