TY - JOUR AU - Kreisel, G. TI - Lawless sequences of natural numbers JO - Compositio Mathematica PY - 1968 SP - 222 EP - 248 VL - 20 PB - Wolters-Noordhoff Publishing UR - http://archive.numdam.org/item/CM_1968__20__222_0/ LA - en ID - CM_1968__20__222_0 ER -