TY  - JOUR
AU  - Kurt Girstmair
TI  - Drichlet Convolution of Contangent Numbers and Relative Class Number Formulas.
JO  - Monatshefte für Mathematik
PY  - 1990
SP  - 231
EP  - 256
VL  - 110
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MOMA_1990__110_3-4_178498/
ID  - MOMA_1990__110_3-4_178498
ER  -