TY - JOUR AU - John Conway AU - A. Jones TI - Trigonometric diophantine equations (On vanishing sums of roots of unity) JO - Acta Arithmetica PY - 1976 SP - 229 EP - 240 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-30-3-229-240/ DO - 10.4064/aa-30-3-229-240 LA - en ID - 10_4064_aa_30_3_229_240 ER -