Remarks on the wave front of a distribution
Author: Akiva Gabor
Journal: Trans. Amer. Math. Soc. 170 (1972), 239-244
MSC: Primary 46F10; Secondary 35S05
MathSciNet review: 0341076
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Abstract: Basic facts about composition and multiplication of distributions as given in  are proved using the formulas for the wave front set of the image and pullback of distributions.
L. Hörmander, Fourier integral operators. I, Acta Math. 127 (1971), 79-183.