TY - JOUR AU - Miklós Laczkovich TI - Operators commuting with translations, and systems of difference equations JO - Colloquium Mathematicum PY - 1999 SP - 1 EP - 22 VL - 80 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-80-1-1-22/ DO - 10.4064/cm-80-1-1-22 LA - en ID - 10_4064_cm_80_1_1_22 ER -