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Anomalous structure of weak intermediate bosons.

The unpolarized and polarized quark and gluon content of the weak intermediate bosons of the standard model is investigated at an energy scale much higher than their masses. The evolution equations for polarized quark and gluon densities are constructed and solved asymptotically. The structure of the {ital Z} and {ital W} bosons turns out to be much richer than that of the photon. Strong flavor and spin dependence is observed.