TY - JOUR AU - Zbigniew Gajda TI - On trigonometric polynomials spanned by characters of unitary representations. JO - Aequationes mathematicae PY - 1992 SP - 259 EP - 277 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137497/ ID - AM2_1992__44_1_137497 ER -