TY  - JOUR
AU  - Johannes Siemons
TI  - Normal Subgroups of Triply Transitive Permutation Groups of Degree Divisible by 3.
JO  - Mathematische Zeitschrift
PY  - 1980
SP  - 95
EP  - 104
VL  - 174
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1980__174_172998/
ID  - MZ_1980__174_172998
ER  -