___

• [1] Abels H. Pseudodifferential and singular integral operators. An introduction with applications. Berlin, Germany: de Gruyter, 2012.
• [2] Aitemrar CA, Senoussaoui A. h-Admissible Fourier integral opertaors. Turkish Journal of Mathematics 2016; 40 (3): 553-568. doi:10.3906/mat-1506-47
• [3] Beals R. Spatially inhomogeneous pseudodifferential operators II. Communications on Pure and Applied Mathematics 1974; 27: 161-205.
• [4] Calderón AP, Vaillancourt R. On the boundedness of pseudodifferential operators. Journal of the Mathematical Society of Japan Journal of the Mathematical Society of Japan 1971; 23: 374-378.
• [5] Duistermaat J, Hörmander L. Fourier Integral Operators II. Acta Mathematica 1972; 128: 183-269.
• [6] Greenleaf A, Uhlmann G. Estimates for singular Radon transforms and pseudodifferential operators with singular symbols. Journal of Functional Analysis 1990; 89: 202-232.
• [7] Hasanov M. A class of unbounded Fourier integral operators. Journal of Mathematical Analysis and Applications 1998; 225 (2): 641-651.
• [8] Helffer B. Théorie spectrale pour des opérateurs globalement elliptiques. Société Mathématiques de France: Astérisque 112, 1984 (in French).
• [9] Hörmander L. Fourier integral operators I. Acta Mathematica 1971; 127: 79-183.
• [10] Messirdi B, Senoussaoui A. Parametrix du problème de Cauchy C ∞ muni d’un système d’ordres de Leray-Voleviĉ. Journal for Analysis and its Applications 2005; 24 (3): 581-592 (in French).
• [11] Robert D. Autour de l’approximation semi-classique. Boston, MA, USA: Birkäuser, 1987 (in French).