1. Invariants of finite groups generated by reflections;Chevalley;Amer. J. Math.,1955
2. Automatic computation of knots and weights of cubature formulae for circular symmetric planar regions;Cools;Report TW 77,1986
3. Invariants of finite reflection groups;Flatto;L'enseignement Math.,1978
4. Tables of Integrals, Series and Products;Gradshteyn,1967
5. Circularly symmetrical integration formulas for two-dimensional circularly regions;Haegemans;BIT,1976