451758
9780486414485
First 6 chapters include theory of fields and sufficient conditions for weak and strong extrema. Chapter 7 considers application of variation methods to systems with infinite degrees of freedom, and Chapter 8 deals with direct methods in the calculus of variations. Problems follow each chapter and the 2 appendices.Gel'fand, I. M. is the author of 'Calculus of Variations', published 2000 under ISBN 9780486414485 and ISBN 0486414485.
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