@book{aluffi-2009-algebra,
title = {Algebra: Chapter 0},
author = {Aluffi, P.},
isbn = {9780821847817},
lccn = {2009004043},
series = {Graduate studies in mathematics},
url = {https://books.google.com.tw/books?id=deWkZWYbyHQC},
year = {2009},
publisher = {American Mathematical Society}
}