SOLVABILITY OF A FIRST ORDER LINEAR PARTIAL DIFFERENTIAL EQUATION

[1] DIFFERENTIAL EQUATIONS WITHOUT SOLUTIONS [J]. MATHEMATISCHE ANNALEN, 1960, 140 (03) : 169 - 173

[2] DIFFERENTIAL OPERATORS OF PRINCIPAL TYPE [J]. MATHEMATISCHE ANNALEN, 1960, 140 (02) : 124 - 146

[3] HORMANDER L, 1961, EXISTENCE SOLUTIONS, P233

[4] Hormander L., 1963, LINEAR PARTIAL DIFFE

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

[6] Mizohata S., 1962, J MATHKYOTO U, V1, P271, DOI 10.1215/kjm/1250525061

[7] NIRENBERG L, 1957, COMPLEX FROBENIUS TH, V1, P172

[1] DIFFERENTIAL EQUATIONS WITHOUT SOLUTIONS [J]. MATHEMATISCHE ANNALEN, 1960, 140 (03) : 169 - 173

[2] DIFFERENTIAL OPERATORS OF PRINCIPAL TYPE [J]. MATHEMATISCHE ANNALEN, 1960, 140 (02) : 124 - 146

[3] HORMANDER L, 1961, EXISTENCE SOLUTIONS, P233

[4] Hormander L., 1963, LINEAR PARTIAL DIFFE

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

[6] Mizohata S., 1962, J MATHKYOTO U, V1, P271, DOI 10.1215/kjm/1250525061

[7] NIRENBERG L, 1957, COMPLEX FROBENIUS TH, V1, P172