![](https://img1.doubanioxx/lpic/s2786069.jpg)
作者: Fritz John
出版社: Springer
出版年: 1991-11-20
页数: 259
定价: USD 69.95
装帧: Hardcover
丛书: Applied Mathematical Sciences
ISBN: 9780387906096
内容简介 · · · · · ·
This book is a very well-accepted introduction to the subject. In it, the author identifies the significant aspects of the theory and explores them with a limited amount of machinery from mathematical analysis. Now, in this fourth edition, the book has again been updated with an additional chapter on Lewy's example of a linear equation without solutions.
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