Key points are not available for this paper at this time.
In this paper, we study operations on functors in the category of abelian groups simplar to the derivation in the sense of Dold-Puppe. They are defined as derived limits of a functor applied to the relation subgroup over a category of free presentations of the group. The integral homology of the Eilenberg-Maclane space K (Z, 3) appears as a part of description of these operations applied to symmetric powers.
Ivanov et al. (Mon,) studied this question.