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980528s1991 it ||||| eng |
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|a 2036733
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 515.733
|b Z49p
|2 00
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| 100 |
1 |
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|a Zelati, V. Coti
|e Autor/a
|4 aut
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|a Periodic solutions of a class of singular nonautonomous second order sustems in a potential well /
|c V. Coti Zelati, Li Shujie and Wu Shaoping
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| 260 |
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|a Trieste :
|b International Centre for Theoretical Physics,
|c 1991.
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| 300 |
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|a 8 páginas
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| 650 |
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|a ESPACIOS DE HILBERT
|2 CC
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| 650 |
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|a OPERADOR DE HAMILTON
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| 700 |
1 |
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|a Shujie, Li
|e Autor/a
|4 aut
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| 700 |
1 |
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|a Shaoping, Wu
|e Autor/a
|4 aut
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| 916 |
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|a Centro Catalográfico
|