ANALYTIC HYPOELLIPTICITY ON RANK-2 NILPOTENT GROUPS

[1] BEALS R, 1977, EXPOSE JOURNEES EQUA

[2] FUNDAMENTAL SOLUTION FOR A SUBELLIPTIC OPERATOR [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 79 (02) : 373 - 376

[3] FOLLAND GB, 1975, ARK MAT, V13, P161, DOI 10.1007/BF02386204

[4] Grusin V. V., 1970, MAT SB, V83, P456

[5] HELFFER B, 1979, JAN SEM AN DEP MATH

[6] HELFFER B, 1978, OPERATEURS INVARIANT, V2

[7] Helffer B., 1978, COMMUN PART DIFF EQ, V3, P643, DOI [10.1080/03605307808820075, DOI 10.1080/03605307808820075]

[8] HELFFER B, 1979, THEOREMES INDICE OPE

[9] UNIQUENESS THEORENS AND WAVE FRONT SETS FOR SOLUTIONS OF LINEAR DIFFERENTIAL EQUATIONS WITH ANALYTIC COEFFICIENTS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1971, 24 (05) : 671 - +

[10] Hormander L., 1969, LINEAR PARTIAL DIFFE, VThird

[1] BEALS R, 1977, EXPOSE JOURNEES EQUA

[2] FUNDAMENTAL SOLUTION FOR A SUBELLIPTIC OPERATOR [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 79 (02) : 373 - 376

[3] FOLLAND GB, 1975, ARK MAT, V13, P161, DOI 10.1007/BF02386204

[4] Grusin V. V., 1970, MAT SB, V83, P456

[5] HELFFER B, 1979, JAN SEM AN DEP MATH

[6] HELFFER B, 1978, OPERATEURS INVARIANT, V2

[7] Helffer B., 1978, COMMUN PART DIFF EQ, V3, P643, DOI [10.1080/03605307808820075, DOI 10.1080/03605307808820075]

[8] HELFFER B, 1979, THEOREMES INDICE OPE

[9] UNIQUENESS THEORENS AND WAVE FRONT SETS FOR SOLUTIONS OF LINEAR DIFFERENTIAL EQUATIONS WITH ANALYTIC COEFFICIENTS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1971, 24 (05) : 671 - +

[10] Hormander L., 1969, LINEAR PARTIAL DIFFE, VThird