TY - JOUR AU - Mats Erik Andersson TI - Two examples of subspaces in $L^{2l}$ spanned by characters of finite order JO - Colloquium Mathematicum PY - 2001 SP - 13 EP - 26 VL - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm87-1-2/ DO - 10.4064/cm87-1-2 LA - en ID - 10_4064_cm87_1_2 ER -