DIFFERENTIAL OPERATORS OF PRINCIPAL TYPE

[1] Bourbaki N., 1955, ESPACES VECTORIELS T

[2] ON THE DIFFERENTIABILITY OF THE SOLUTIONS OF LINEAR ELLIPTIC DIFFERENTIAL EQUATIONS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1953, 6 (03) : 299 - 326

[3] ON INTERIOR REGULARITY OF THE SOLUTIONS OF PARTIAL DIFFERENTIAL EQUATIONS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1958, 11 (02) : 197 - 218

[4] ON THE THEORY OF GENERAL PARTIAL DIFFERENTIAL OPERATORS [J]. ACTA MATHEMATICA, 1955, 94 (3-4) : 161 - 248

[5] AN EXAMPLE OF A SMOOTH LINEAR PARTIAL DIFFERENTIAL EQUATION WITHOUT SOLUTION [J]. ANNALS OF MATHEMATICS, 1957, 66 (01) : 155 - 158

[6] Schwartz L, 1950, THEORIE DISTRIBUTION, VI

[7] TREVES F, 1956, SEMINAIRE BOURBAKI, P135

[1] Bourbaki N., 1955, ESPACES VECTORIELS T

[2] ON THE DIFFERENTIABILITY OF THE SOLUTIONS OF LINEAR ELLIPTIC DIFFERENTIAL EQUATIONS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1953, 6 (03) : 299 - 326

[3] ON INTERIOR REGULARITY OF THE SOLUTIONS OF PARTIAL DIFFERENTIAL EQUATIONS [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1958, 11 (02) : 197 - 218

[4] ON THE THEORY OF GENERAL PARTIAL DIFFERENTIAL OPERATORS [J]. ACTA MATHEMATICA, 1955, 94 (3-4) : 161 - 248

[5] AN EXAMPLE OF A SMOOTH LINEAR PARTIAL DIFFERENTIAL EQUATION WITHOUT SOLUTION [J]. ANNALS OF MATHEMATICS, 1957, 66 (01) : 155 - 158

[6] Schwartz L, 1950, THEORIE DISTRIBUTION, VI

[7] TREVES F, 1956, SEMINAIRE BOURBAKI, P135