@article{GDZPPN002228351, title = {Operatoren H1 ... X.}, journal = {Manuscripta mathematica}, volume = {58}, year = {1987}, pages = {399-422}, url = {http://dml.mathdoc.fr/item/GDZPPN002228351} }
Hensgen, Wolfgang. Operatoren H1 ... X.. Manuscripta mathematica, Tome 58 (1987) pp. 399-422. http://gdmltest.u-ga.fr/item/GDZPPN002228351/