TY  - JOUR
AU  - H. Maier
TI  - On the third iterates of the φ- and σ-functions
JO  - Colloquium Mathematicum
PY  - 1984
SP  - 123
EP  - 130
VL  - 49
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-49-1-123-130/
DO  - 10.4064/cm-49-1-123-130
LA  - en
ID  - 10_4064_cm_49_1_123_130
ER  -