TY - JOUR AU - Pavlos B. Konstadinidis TI - The real $3x+1$ problem JO - Acta Arithmetica PY - 2006 SP - 35 EP - 44 VL - 122 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa122-1-3/ DO - 10.4064/aa122-1-3 LA - en ID - 10_4064_aa122_1_3 ER -