WEIGHTED SOBOLEV-POINCARE INEQUALITIES FOR GRUSHIN TYPE OPERATORS

[11] CHUA SK, IN PRESS P AMS

[12] COIFMAN R, 1971, LECT NOTES MATH, V242, P1

[13] David, 1990, LECT NOTES PURE APPL, V122, P101

[14] THE LOCAL REGULARITY OF SOLUTIONS OF DEGENERATE ELLIPTIC-EQUATIONS [J]. COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS, 1982, 7 (01) : 77 - 116

[15] FEDERER H, 1969, GEOMETRIC MEASURE TH

[16] Fefferman C., 1981, WADSWORTH MATH SERIE, P590

[17] FERNANDES JC, 1991, REV MAT IBEROAM, V7, P247

[18] WEIGHTED SOBOLEV-POINCARE INEQUALITIES AND POINTWISE ESTIMATES FOR A CLASS OF DEGENERATE ELLIPTIC-EQUATIONS [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1991, 327 (01) : 125 - 158

[19] FRANCHI B, 1990, CR ACAD SCI I-MATH, V311, P329

[20] AN EMBEDDING THEOREM FOR SOBOLEV SPACES RELATED TO NON-SMOOTH VECTOR-FIELDS AND HARNACK INEQUALITY [J]. COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS, 1984, 9 (13) : 1237 - 1264

[11] CHUA SK, IN PRESS P AMS

[12] COIFMAN R, 1971, LECT NOTES MATH, V242, P1

[13] David, 1990, LECT NOTES PURE APPL, V122, P101

[14] THE LOCAL REGULARITY OF SOLUTIONS OF DEGENERATE ELLIPTIC-EQUATIONS [J]. COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS, 1982, 7 (01) : 77 - 116

[15] FEDERER H, 1969, GEOMETRIC MEASURE TH

[16] Fefferman C., 1981, WADSWORTH MATH SERIE, P590

[17] FERNANDES JC, 1991, REV MAT IBEROAM, V7, P247

[18] WEIGHTED SOBOLEV-POINCARE INEQUALITIES AND POINTWISE ESTIMATES FOR A CLASS OF DEGENERATE ELLIPTIC-EQUATIONS [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1991, 327 (01) : 125 - 158

[19] FRANCHI B, 1990, CR ACAD SCI I-MATH, V311, P329

[20] AN EMBEDDING THEOREM FOR SOBOLEV SPACES RELATED TO NON-SMOOTH VECTOR-FIELDS AND HARNACK INEQUALITY [J]. COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS, 1984, 9 (13) : 1237 - 1264