-
V. M. Buchstaber, A. P. Veselov, “On a remarkable functional equation in the theory of generalized Dunkl operators and transformations of elliptic genera”, Math Z, 223:1 (1996),
595 
-
V. M. Buchstaber, G. Felder, A. P. Veselov, “Elliptic Dunkl operators, root systems, and functional
equations”, Duke Math. J., 76:3 (1994)