(FUNDAMENTAL AND APPLIED MATHEMATICS)

2000, VOLUME 6, NUMBER 1, PAGES 287-292

## About isomorphism $G$Ä A @ G for vectorial groups

E. B. Malyshev
A. M. Sebeldin

Abstract

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 The necessary and sufficient conditions of isomorphism $G\cong G\otimes A$, where $G$ is a vectorial group and $A$ is a torsion free rank $1$ abelian group are found. 

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