@article{GDZPPN002387875, title = {Convolution Operators which are not of Scalar Type.}, journal = {Mathematische Zeitschrift}, volume = {70}, year = {1958}, pages = {346-350}, zbl = {0080.10001}, url = {http://dml.mathdoc.fr/item/GDZPPN002387875} }
Krabbe, G.L. Convolution Operators which are not of Scalar Type.. Mathematische Zeitschrift, Tome 70 (1958) pp. 346-350. http://gdmltest.u-ga.fr/item/GDZPPN002387875/