ばいちょ(売価調査)、価格比較とネットでのお買い物を楽に

内容説明 A collection of self contained state-of-the art surveys. The authors have made an effort to achieve readability for mathematicians and scientists from other fields， for this series of handbooks to be a new reference for research， learning and teaching.
- written by well-known experts in the field
- self contained volume in series covering one of the most rapid developing topics in mathematics