共 50 条
- [2] ESTIMATES FOR DEGENERATE SCHRODINGER-OPERATORS AND HYPOELLIPTICITY FOR INFINITELY DEGENERATE ELLIPTIC-OPERATORS [J]. JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 1992, 32 (02): : 333 - 372
- [3] HYPOELLIPTICITY FOR INFINITELY DEGENERATE ELLIPTIC AND PARABOLIC OPERATORS OF 2ND ORDER [J]. JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 1988, 28 (04): : 615 - 632
- [4] HYPOELLIPTICITY FOR INFINITELY DEGENERATE ELLIPTIC AND PARABOLIC OPERATORS .2. OPERATORS OF HIGHER-ORDER [J]. JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 1989, 29 (03): : 497 - 513
- [5] PARTIAL HYPOELLIPTICITY FOR ELLIPTIC DEGENERATE OPERATORS [J]. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1977, 284 (15): : 885 - 888
- [7] On global hypoellipticity of degenerate elliptic operators [J]. Mathematische Zeitschrift, 1999, 230 : 241 - 257
- [8] HYPOELLIPTICITY FOR SOME INFINITELY DEGENERATE ELLIPTIC-OPERATORS OF 2ND-ORDER [J]. JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 1992, 32 (02): : 373 - 386