https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763029827397&signature=1d544a9a99ef2e1811746fb1eaf2e930&articleTitle=Infinite+Abelian+Groups&articleAuthor=Laszlo+Fuchs&publicationTitle=Infinite+Abelian+Groups&language=&publicationType=1&publishYear=&isn=9780122696015&publisher=