1. S. Ya. Grinshpon and T. A. El’tsova, “Homomorphic images of Abelian groups,” Fundam. Prikl.Mat. 13 (3), 17–24 (2007) [J.Math. Sci. (New York) 154 (3), 290–294 (2008)].
2. S. Ya. Grinshpon and T. A. El’tsova, “Homomorphic stability of Abelian groups,” Fundam. Prikl.Mat. 14 (5), 67–76 (2008) [J.Math. Sci. (New York) 163 (6), 670–676 (2009)].
3. S. Ya. Grinshpon and T. A. El’tsova, “Connection of divisible and reduced groups with homomorphic stability,” Vestn. Tomsk. Gos. Univ.Mat. Mekh., No. 2 (6), 14–19 (2009).
4. L. Fuchs, Infinite Abelian Groups, Vol. 1 (Academic Press, New York, 1970; Mir, Moscow, 1974).
5. I. A. Shilin, V. V. Kityukov and A. A. Aleksandrov, “Computation of homomorphism groups and the verification of homomorphic stability of pairs of finite groups,” Prikl. Inform. 37 (1), 111–115 (2012).