| 000 | 00396nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 082 | _a517.382 L4954 | ||
| 100 | _aLEFSCHETZ.S | ||
| 245 | 0 | _aCONTRIBUTIONS TO THE THEORY OF NON-LINEAR OSCILLATIONS | |
| 250 | _a4 | ||
| 260 |
_bPRINCETON UNIVERSITY PRESS _c1958 |
||
| 300 | _a25X18 | ||
| 490 | _aANNALS OF MATHEMATICS STUDIES | ||
| 942 |
_cBK _2DDC |
||
| 999 |
_c10323 _d10323 |
||