TY  - JOUR
AU  - John Simons
AU  - Benne de Weger
TI  - Theoretical and computational bounds for
 $m$-cycles of the $3n+1$-problem
JO  - Acta Arithmetica
PY  - 2005
SP  - 51
EP  - 70
VL  - 117
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa117-1-3/
DO  - 10.4064/aa117-1-3
LA  - en
ID  - 10_4064_aa117_1_3
ER  -