When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Xu Feng. Author Xu Feng. Proofs of mathematical problems. Short Title PROOFS OF MATHEMATICAL PROBLEM. Series Proofs of Mathematical Problem. In this book, it is on 7 problems of mathematics. Language English.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.