TY - JOUR AU - Jorgen Christian Ridder Ebbesen TI - Helical maps from LCA-groups into Hilbert spaces. JO - Mathematica Scandinavica PY - 1984 SP - 271 EP - 284 VL - 55 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1984__55_166919/ ID - MS2_1984__55_166919 ER -