  We study the quantum corrections to the conductivity of the two-dimensional
disordered interacting electron system in the diffusive regime due to inelastic
scattering off rare magnetic impurities. We focus on the case of very different
g-factors for electrons and magnetic impurities. Within the Born approximation
for the inelastic scattering off magnetic impurities we find additional
temperature-dependent corrections to the conductivity of the Altshuler-Aronov
type. Our results demonstrate that the low temperature transport in interacting
disordered electron systems with rare magnetic impurities is more interesting
than it was commonly believed on the basis of treatment of magnetic impurity
spins as classical ones.
