TY - JOUR AU - Juan Miguel Medina AU - Lutz Peter Klotz AU - Manfred Riedel TI - Density of spaces of trigonometric polynomials with frequencies from a subgroup in Lα-spaces JO - Comptes Rendus. Mathématique PY - 2018 SP - 586 EP - 593 VL - 356 IS - 6 PB - Elsevier DO - 10.1016/j.crma.2018.04.021 LA - en ID - CRMATH_2018__356_6_586_0 ER -