| 000 | 00760 a2200253 4500 | ||
|---|---|---|---|
| 010 | _a 85009007 | ||
| 020 | _a0817633103 | ||
| 035 | _a | ||
| 082 | 0 | 0 | _a515.7/2 |
| 084 | _235H05 (22E25 32F20 58G05) | ||
| 090 |
_c8383 _d8383 |
||
| 100 | 1 | _aHelffer, Bernard | |
| 245 | 1 | 0 |
_aHypoellipticité maximale pour des opérateurs polynomes de champs de vecteurs _cBernard Helffer, Jean Nourrigat |
| 260 |
_aBoston _bBirkhèauser _c1985 |
||
| 300 |
_aix, 278 p _c24 cm |
||
| 490 | 1 |
_aProgress in mathematics _vv. 58 |
|
| 500 | _aContine bibliografie | ||
| 650 | 0 | _aHypoelliptic operators | |
| 650 | 0 | _aPolynomial operators | |
| 650 | 0 | _aVector fields | |
| 700 | 1 | _aNourrigat, Jean | |
| 830 | 0 | _aProgress in mathematics (Boston, Mass.) | |
| 942 |
_aIMAR _cCART |
||
| 999 |
_c8232 _d8232 |
||