Dunkl operators, Bessel functions and the discriminant of a finite Coxeter group

Opdam, E. M.

Compositio Mathematica, Volume 85 (1993) p. 333-373

Root systems and hypergeometric functions III

Opdam, E. M.

Compositio Mathematica, Volume 67 (1988) p. 21-49

Root systems and hypergeometric functions IV

Opdam, E. M.

Compositio Mathematica, Volume 67 (1988) p. 191-209

Root systems and hypergeometric functions. I

Heckman, G. J.; Opdam, E. M.

Compositio Mathematica, Volume 64 (1987) p. 329-352