Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Zuivere Wiskunde

Brouwer, A.E, & Cohen, A.M. (1979). The poincare series of the polynomials invariant under $SU_2$ in its irreducible representation of degree $\leq$ 17. Stichting Mathematisch Centrum. Zuivere Wiskunde. Stichting Mathematisch Centrum.