1. Mathematical Analysis, edited by Xu Senlin and Xue Chunhua, Tsinghua University Publishing House, is divided into three volumes. The difficulty of this book mainly lies in the fact that there are many introductions in subsequent courses, and it is quite difficult to think about problems.

2. A Course in Mathematical Analysis edited by Chang Gengzhe and Shi Jihuai. This book is said to be two versions of the same book as the last one, but I think the first one is relatively better and may be a more suitable classification method for me.

3.Zoroach compiles mathematical analysis (seems to have the word' handout'? Everyone agrees that it is difficult to skim the selected translation series of Russian textbooks by Higher Education Press, and the difficulty mainly comes from the Russian way of thinking, but some places are still very incisive, but it is a waste of time not to recommend it as the main reference book. .

In fact, you don't have to choose the most difficult textbook ~ choosing the most comprehensive and detailed foundation is a good expansion, which can be carried out through exercises and thinking. .

The above are just personal feelings, and experts can laugh it off. Let's work hard ~