@article{MM2_1979__28_154628,
     author = {H.O. Cordes},
     title = {On {Pseudo-Differential} {Operators} and {Smoothness} of {Special} {Lie-Group} {Representations.}},
     journal = {Manuscripta mathematica},
     pages = {51--70},
     publisher = {mathdoc},
     volume = {28},
     year = {1979},
     zbl = {0415.35083},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__28_154628/}
}