Estimates for singular radon transforms and pseudodifferential operators with singular symbols

Fourier integral operators. I

Lars Hörmander · Acta Mathematica · 1971 · 2.4K citations · Full text

Natural Sciences, Mathematics, Applied Mathematics +9

Fourier integral operators. II

J. J. Duistermaat, Lars Hörmander · Acta Mathematica · 1972 · 575 citations · Full text

Natural Sciences, Physics, Theoretical Physics +9

A Class of Bounded Pseudo-Differential Operators

Alberto P. Calderón, Rémi Vaillancourt · Proceedings of the National Academy of Sciences · 1972 · 355 citations · Full text

Natural Sciences, Mathematics, Differential Equations +9

Hypoelliptic operators with double characteristics and related pseudo‐differential operators

L. Boutet de Monvel · Communications on Pure and Applied Mathematics · 1974 · 233 citations

Natural Sciences, Mathematics, Physics +9

Hilbert integrals, singular integrals, and Radon transforms I

D. H. Phong, E. M. Stein · Acta Mathematica · 1986 · 212 citations · Full text

Natural Sciences, Electrical Engineering, Applied Mechanics +10