Vol. 1 Courant, Richard. creator John, Fritz. text xxu S.l.] Springer 1998 1999th ed. monographic eng

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661 p. ; 24 cm. From the Preface: (...) The book is addressed to students on various levels, to mathematicians, scientists, engineers. It does not pretend to make the subject easy by glossing over difficulties, but rather tries to help the genuinely interested reader by throwing light on the interconnections and purposes of the whole. Instead of obstructing the access to the wealth of facts by lengthy discussions of a fundamental nature we have sometimes postponed such discussions to appendices in the various chapters. Numerous examples and problems are given at the end of various chapters. Some are challenging, some are even difficult; most of them supplement the material in the text. Richard Courant, Fritz John. 354065058X (paperback) 9783540650584 (paperback) http://www.amazon.com/exec/obidos/ASIN/354065058X/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/354065058X/chopaconline-20 150430 20150430125303.0 ASIN354065058X