@ARTICLE{
author={Hormann G,Oberguggenberger Michael,Pilipovic Stevan},
year={2006},
title={Microlocal hypoellipticity of linear partial differential operators with generalized functions as coefficients},
journal={TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY},
volume={358},
number={8},
pages={3363-3383},
document_type={Article},
}