TY - JOUR AU - Petersen, Karl TI - On a series of cosecants related to a problem in ergodic theory JO - Compositio Mathematica PY - 1973 SP - 313 EP - 317 VL - 26 IS - 3 PB - Noordhoff International Publishing UR - http://www.numdam.org/item/CM_1973__26_3_313_0/ LA - en ID - CM_1973__26_3_313_0 ER -