| 000 | 00612nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a510T _bAm512(100) |
||
| 100 | _aBautin N N | ||
| 245 | _aOn the number of limit cycles which appear with the variation of coefficients from an equilibrium position of focus or center type | ||
| 260 |
_aProvidence _bAMS _c1953 |
||
| 300 | _a19p | ||
| 440 | _aAmerican Mathematical Society: Translation; no 100 | ||
| 500 | _aTr from Matematicskii Sbornik (NS) 30(72), 181-196, 1952 | ||
| 650 | _aMathematics | ||
| 942 | _cBK | ||
| 999 |
_c31284 _d31284 |
||