TY - JOUR AU - Mariusz SkaƂba TI - Linear recurrences as sums of squares JO - Acta Arithmetica PY - 2012 SP - 207 EP - 216 VL - 155 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa155-2-8/ DO - 10.4064/aa155-2-8 LA - en ID - 10_4064_aa155_2_8 ER -