TY  - JOUR
AU  - David L. Winter
AU  - Murphy Paul F.
TI  - Groups All of Whose Subgroups are M-Groups.
JO  - Mathematische Zeitschrift
PY  - 1972
SP  - 73
EP  - 78
VL  - 124
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1972__124_171658/
ID  - MZ_1972__124_171658
ER  -