%0 Journal Article %A Anatoliy U. Klimyk %T Spectra of Observables in the $q$-Oscillator and $q$-Analogue of the Fourier Transform %J Symmetry, integrability and geometry: methods and applications %D 2005 %V 1 %U http://geodesic.mathdoc.fr/item/SIGMA_2005_1_a7/ %G en %F SIGMA_2005_1_a7