[1] |
Agmon, Comm. Pure Appl. Math. 16 pp 121– (1963) |
[2] |
Brézis, Comm. Pure Appl. Math. 23 pp 261– (1970) |
[3] |
Integrates singulares y sus applicaions a ecuaciones diferenciales hyperbolicas, Cursos y Sem. Mat. Fasc. 3, Univ. of Buenos Aires, 1960. |
[4] |
Egorov, Soviet Math. Doklady 10 pp 697– (1969) |
[5] |
and , Analytic Functions of Several Complex Variables, Prentice-Hall, Englewood Cliffs, N. Y., 1965. · Zbl 0141.08601 |
[6] |
Linear Partial Differential Operators, Springer-Verlag, Berlin, 1963. · Zbl 0108.09301 · doi:10.1007/978-3-642-46175-0 |
[7] |
Hömander, Comm. Pure Appl. Math. 18 pp 501– (1965) |
[8] |
Hörmander, Ann. of Math. 23 pp 129– (1966) |
[9] |
Hörmander, Proc. Symp. Pure Math. 10 |
[10] |
Amer. Math. Soc., Providence, R. I., 1968, pp. 138–183. |
[11] |
Hörmander, Acta Math. 121 pp 193– (1968) |
[12] |
Fourier integraloperators, Lectures at the Nordic Summer School of Mathematics, July, 1969. |
[13] |
Kohn, Comm. Pure Appl. Math. 18 pp 269– (1965) |
[14] |
Lax, Duke J. Math. 24 pp 627– (1957) |
[15] |
Lectures on hyperbolic partial differential equations, Stanford University, 1963. |
[16] |
Lax, Comm. Pure Appl. Math. 19 pp 473– (1966) |
[17] |
Nirenberg, Amer. Math. Soc. |
[18] |
Nirenberg, Comm. Pure Appl. Math. 16 pp 331– (1963) |
[19] |
and , Conditions nècessaires de rèsolubilitè locale des èquations pseudo-differentielles, C. R. Acad. Sci. Paris, 1969. |
[20] |
and , Conditions Conditions suffisantes des resolubilite locale des èquations aux partielles lineaires, C. R. Acad. Sci. Paris, 1969. · Zbl 0181.10503 |
[21] |
Nirenberg, Comm. Pure Appl. Math. 23 pp 1– (1970) |
[22] |
Linear Partial Differential Equations With Constant Coefficients, Gordon and Breach, New York, 1966. |
[23] |
Treves, Amer. J. Math. |
[24] |
Treves, Amer. J. Math. |
[25] |
Treves, Comm. Pure Appl. Math. 23 (1970) |
[26] |
Egorov, Uspekhi Mat. Nauk 24 pp 235– (1969) |
[27] |
Egorov, Doklady Akad. Nauk USSR 187 pp 1232– (1969) |
[28] |
Egorov, Doklady, Akad. Nauk SSSR 188 pp 20– (1969) |