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Hypoelliptic ordinary differential operators. Proc. internat. Sympos. partial diff. Equ. Geometry normed lin. Spaces I. (English) Zbl 0256.35021


MSC:

35H10 Hypoelliptic equations
34E99 Asymptotic theory for ordinary differential equations
Full Text: DOI

References:

[1] A. R. Forsyth,Theory of differential equations, part III, Vol. IV, Cambridge, 1902.
[2] E. L. Ince,Ordinary differential equations, London, 1927.
[3] Harvey, R., Hyperfunctions and linear partial differential equations, Proc. Nat. Acad. Sci. U. S. A., 55, 1042-1046 (1966) · Zbl 0138.36303 · doi:10.1073/pnas.55.5.1042
[4] L. Hörmander,Linear partial differential operators, Berlin, 1964. · Zbl 0108.09301
[5] L. Hörmander,Pseudo differential operators and hypoelliptic equations, Proc. Symp Pure Math.10 (Singular Integrals), 138-183. · Zbl 0167.09603
[6] L. Schwartz,Théorie des distributions, nouvelle edit. Paris, 1966. · Zbl 0149.09501
[7] Sternberg, W., Über die asymptotische Integration von Differentialgleichungen, Math. Ann., 81, 119-186 (1920) · doi:10.1007/BF01564865
[8] W. Wasow,Asymptotic expansions for ordinary differential equations, New York, 1965. · Zbl 0133.35301
[9] A. N. Ostrowski,Solutions of equations and systems of equations, New York, 1960. · Zbl 0115.11201
[10] Kannai, Y., An unsolvable hypoelliptic differential operator, Israel J. Math., 9, 306-315 (1971) · Zbl 0211.40601
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