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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Fourth Edition
F. John
Partial Differential Equations
"An excellent second-reading text. Should be accessible to any mathematician. Highly recommended."
―THE MATHEMATICAL GAZETTE
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Seller: BooksRun, Philadelphia, PA, U.S.A.
Paperback. Condition: Fair. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way. Seller Inventory # 0387900217-7-1-13
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0387900217I5N00
Seller: Southampton Books, Sag Harbor, NY, U.S.A.
Paperback. Condition: Very Good. First Edition. First Edition, First Printing. Published by Springer, 1971. Octavo. Paperback. Book is very good. Previous owner name on flyleaf. Seller Inventory # 539880