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Variational methods: applications to nonlinear partial differential equations and Hamiltonian systems /
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| 格式: | Printed Book |
| 语言: | English |
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New York :
Springer-Verlag,
c1990.
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| 实物描述: | xiv, 244 p. : ill. ; 25 cm. |
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| ISBN: | 0387520228 |