TY - JOUR AU - Kurt Girstmair TI - Generalized Dedekind sums, correlation of $L$-series, and the Galois module of $\cot(\pi/{}N)\cot(m\pi/{}N)$ JO - Acta Arithmetica PY - 2003 SP - 69 EP - 89 VL - 107 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa107-1-6/ DO - 10.4064/aa107-1-6 LA - en ID - 10_4064_aa107_1_6 ER -