Sh:255

Bib entry
@incollection{Sh:255,
 author = {Eklof, Paul C. and Shelah, Saharon},
 title = {{On groups $A$ such that $A\oplus \mathbf Z^n\cong A$}},
 booktitle = {{Abelian group theory (Oberwolfach, 1985)}},
 year = {1987},
 pages = {149--163},
 mrclass = {20K25 (03E75)},
 mrnumber = {1011310},
 publisher = {Gordon and Breach, New York}
}