Yeltsova T.A., Grinshpon S.Ya. «Connection of divisible and reduced groups with homomorphicstability» // 2009. №2 (6) C.14-19
Grinshpon S.Ya. , Yeltsova T.A. «Homomorphic Stability of Direct Product TorsionFree Abelian Groups » // 2008. №1 (2) C.32-36
