Degree two monomial representations of local Weil groups. Wen-Ch'ing Winnie, P. Gérardin (1989) Journal für die reine und angewandte Mathematik
Differential operators of gradient type associated with spherical harmonics Aleksander Strasburger (1991) Annales Polonici Mathematici
Discrete Analogues of the Heisenberg-Weyl Algebra. Philip Feinsilver (1987) Monatshefte für Mathematik
Dunkl operators and canonical invariants of reflection groups. Berenstein, Arkady, Burman, Yurii (2009) SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
Dunkl operators, Bessel functions and the discriminant of a finite Coxeter group E. M. Opdam (1993) Compositio Mathematica