[1]  Bloom W R, Heyer H. Harmonic analysis of probability measures on hypergroups. de Gruyter Studies in Mathematics 20, de Gruyter, Berlin/New York, 1994

[2]  Bouattour L, Trim\`che K. Beurling-H\"omander's theorem for the Ch\'ebli-Trimèche transform. Global J Pure Appl Math (to appear)

[3]  Erdèlyi A, Magnus W, Oberhettinger F, Tricomi F G. Tables of integral transforms. Vol. II. New York: McGraw-Hill, 1954

[4]  Hardy G H. A theorem concerning Fourier transforms. J London Math Soc, 1933, 8: 227--231

[5]  Huang J,  Liu H. The weak type (1, 1) estimates of maximal functions on the Laguerre hypergroup. Can Math Bull, 2010, 53: 491--502

[6]  Jewett R I. Spaces with an abstract converlution of measures. Adv Math, 1975, 18:  1--101

[7]  Nessibi M M, Trimèche K. Inversion of the Radon transform on the Laguerre hypergroup by using generalized wavelets. J Math Anal Appl, 1997, 208: 337--363

[8]  Stempak K. An algebra associated with the generalized sublaplacian. Studia Math, 1988, 88: 245--256

[9]  Szeg\"o G. Orthogonal polynomials. Amer Math Soc Colloq Publ, Providence, RI, 1967

[10]  Thangavelu S. Revisiting Hardy's theorem for the Heisenberg group. Math Z, 2002, 242: 761--779

[11]  Thangavelu S. An introduction to the uncertainty principle. Progr Math Vol. 217. Boston-Basel-Berlin: Birkhäuser, 2003

[12]  Trimèche  K. Generalized wavelets and hypergroups. Gordib And Breach Science Publishers, 1997

[13]  Watson G N. A treatise on the theory of Bessel functions. 2nd Ed. New York: Cambridge Univ Press,1995