On the third iterates of the φ- and σ-functions

H. Maier. "On the third iterates of the φ- and σ-functions." Colloquium Mathematicae 49.1 (1984): 123-130. <http://eudml.org/doc/263899>.

@article{H1984,
author = {H. Maier},
journal = {Colloquium Mathematicae},
keywords = {sum of divisors function; lower bounds; Euler phi-function; sieve method},
language = {eng},
number = {1},
pages = {123-130},
title = {On the third iterates of the φ- and σ-functions},
url = {http://eudml.org/doc/263899},
volume = {49},
year = {1984},
}

TY - JOUR
AU - H. Maier
TI - On the third iterates of the φ- and σ-functions
JO - Colloquium Mathematicae
PY - 1984
VL - 49
IS - 1
SP - 123
EP - 130
LA - eng
KW - sum of divisors function; lower bounds; Euler phi-function; sieve method
UR - http://eudml.org/doc/263899
ER -