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- [2] NONEXISTENCE OF A CONTINUOUS RIGHT INVERSE FOR LINEAR PARTIAL DIFFERENTIAL OPERATORS WITH CONSTANT COEFFICIENTS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1969, 16 (03): : 540 - &
- [4] NONEXISTENCE OF A CONTINUOUS RIGHT INVERSE FOR SURJECTIVE LINEAR PARTIAL DIFFERENTIAL OPERATORS ON SPECIAL SPACES OF INFINITELY DIFFERENTIABLE FUNCTIONS .2. PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (05): : 778 - &
- [5] NONEXISTENCE OF A CONTINUOUS RIGHT INVERSE FOR SURJECTIVE LINEAR PARTIAL DIFFERENTIAL OPERATORS ON SPECIAL SPACES OF INFINITELY DIFFERENTIABLE FUNCTIONS .3. PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (06): : 950 - &
- [7] PARTIAL-DIFFERENTIAL OPERATORS WITH CONTINUOUS LINEAR RIGHT INVERSE ADVANCES IN THE THEORY OF FRECHET SPACES, 1989, 287 : 47 - 62
- [9] NONEXISTENCE OF A CONTINUOUS RIGHT INVERSE FOR PARABOLIC OPERATORS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1969, 16 (01): : 265 - &