Lecture Notes on Bayesian Estimation and Classification
《Lecture Notes on Bayesian Estimation and Classification》 · 第 94 页 · Section 4.1「Torsion Groups and Divisible Groups」
We have therefore shown that the group $P$ can be realized as the $p$-component of $\mathbb{Q}/\mathbb{Z}$ and is a divisible abelian $p$-group. $P$ is called a Prüfer group of type $p^\infty$, or a quasicyclic $p$-group.