Documents A characterization of the k functional for the algebraic version of the trigonometric jackson integr

Result.Math. 54 (2009), 397–413 c© 2009 Birkha¨user Verlag Basel/Switzerland 1422-6383/030397-17, published online July 14, 2009 DOI 10.1007/s00025-009-0362-4 Results…