| 000 | 00723nam a22002057a 4500 | ||
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| 999 |
_c34431 _d34430 |
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| 003 | AR-SmCIES | ||
| 005 | 20250205145128.0 | ||
| 008 | 240926s1950 UK d|||fr|||| 00| 0 eng d | ||
| 040 | _cAR-SmCIES | ||
| 245 | 1 | 0 | _aContributions to the theory of nonlinear oscllations |
| 260 |
_aPrinceton: _bPrinceton University Press, _c1950. |
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| 300 |
_aix, 350 p.: _bgraf.; |
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| 440 |
_aAnnals of mathematics studies _vno. 20 _99099 |
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| 650 | 7 |
_2INIST _98683 _aOSCILLATION MODES |
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| 650 | 7 |
_2INIST _9210 _aECUACIONES DIFERENCIALES |
|
| 650 | 7 |
_2INIST _99050 _aECUACIONES DIFERENCIALES ORDINARIAS |
|
| 700 |
_98204 _aLefschets, Solomon _d1884-1972 _eed. |
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| 830 |
_aAnnals of mathematics studies, No. 20 _99100 |
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| 942 |
_2udc _cBK |
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